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Готові списки джерел за темами / Planetary ephemerides

Добірка наукової літератури з теми "Planetary ephemerides"

Автор: Grafiati

Опубліковано: 15 вересня 2021

Оновлено: 3 лютого 2022

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Статті в журналах
Дисертації
Книги
Частини книг
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Статті в журналах з теми "Planetary ephemerides":

1

Standish, E. M. "The Dynamical Reference Frame." Symposium - International Astronomical Union 166 (1995): 109–16. http://dx.doi.org/10.1017/s0074180900227939.

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Planetary and lunar ephemerides continue to improve in accuracy as they continue to be adjusted to newer and more accurate observational data. An additional improvement will be that of the orientation of the ephemerides; in the future, the ephemerides produced at JPL will be based upon the reference frame of the radio source catalogues. Recent planetary observations have been made directly with respect to the radio reference frame, and these observations have shown a satisfying degree of absolute accuracy and internal consistency; they enable the automatic orientation of the ephemerides onto the radio reference system during the ephemeris adjustment process.

2

Fukushima, Toshio, George H. Kaplan, George A. Krasinsky, Jean Eudes Arlot, John A. Bangert, Catherine Y. Hohenkerk, George A. Krasinsky, et al. "COMMISSION 4: EPHEMERIDES." Proceedings of the International Astronomical Union 4, T27A (December 2008): 5–11. http://dx.doi.org/10.1017/s1743921308025234.

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JPL planetary ephemeris development has been very active assimilating measurements from current planetary missions and supporting future missions. The NASA Mars Science Laboratory (MSL) mission with launch in 2009 requires knowledge of the Earth and Mars ephemerides with 30m accuracy. By comparison, the accuracy of the Mars ephemeris in the widely used DE405 ephemeris was about 3 km. Meeting the MSL needs requires an ongoing program of range and very-long baseline interferometry measurements of Mars orbiting spacecraft. The JPL ephemeris DE421 was released three months before the landing of the Phoenix mission on Mars, and has met the 300m requirement. Continued measurements are planned to support the MSL landing.

3

Standish, E. Myles. "Numerical planetary and lunar ephemerides: present status, precision and accuracies." Symposium - International Astronomical Union 114 (1986): 71–83. http://dx.doi.org/10.1017/s0074180900148016.

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The Ephemeris Development Program has been in existence for nearly 20 years at JPL, providing high precision present-day knowledge of the positions of the moon and major planets. The resultant ephemerides are used extensively in the navigation of spacecraft and in the reduction of astrometric observations. They also provide a key element in the testing of various theories of gravitation and a means for the determination of various relevant astronomical constants. The ephemerides and the process of creating them are both shown to be viable tools for the measurement of various gravitational effects which govern the motions of the objects in the solar system.This paper gives an outline of the least-squares adjustment of the ephemerides to the observations, the present physical (dynamical) model, the present observations to which the ephemerides are fit, the expected accuracies of various ephemeris elements, recent and future observations and features of the solar system which are poorly determined (and thereby place limits upon the accuracies). Recent comparisons with similar work at the Center for Astrophysics (formerly at MIT) are serving as valuable independent checks on formulations and procedures used at each institution; they also lend insight toward what are the realistic accuracies being attained. The export procedure, by which an outside user may obtain and use the JPL ephemerides, is described.

4

Krasinsky, George, Toshio Fukushima, J. Chapront, E. M. Standish, C. Hohenkerk, G. Kaplan, P. K. Seidelmann, J. Bangert, S. Urban, and J. Vondrak. "Commission 4: Ephemerides." Proceedings of the International Astronomical Union 1, T26A (December 2005): 3–6. http://dx.doi.org/10.1017/s1743921306004285.

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JPL continues to be active in creating ephemerides in support of spacecraft navigation as well as various other functions. Many of the products are available on web sites: (a) “Horizons”, the interactive web site, updated on an hourly basis, is located at http://ssd.jpl.nasa.gov. As of August, 2005, it contains orbital elements and ephemerides for the sun and 9 planets, 150 natural satellites (including the Moon), 291, 655 asteroids, 1631 comets, and 34 Spacecraft. Horizons uses the full precision of the JPL DE405.(b)JPL's Planetary and Lunar Ephemerides in “export” format are available via FTP from the Internet: ftp://ssd.jpl.nasa.gov/pub/eph/export/ or on a CD-ROM: http://www.willbell.com/software/jpl.htm We advise to read the attached README.(c)The observational data used in fitting the planetary ephemerides is available at the following web site, updated periodically: http://ssd.jpl.nasa.gov/plan-eph-data/(d)SPICE Toolkit is a subroutine package for experienced programmers who write their own main driving programs for astrometrical computations. SPICE is available at http://naif.jpl.nasa.gov/. It contains a large library of subroutines useful in reading SPICE format ephemeris files (SPK) and in computing many solar system observation geometry parameters associated with the various JPL solar system missions. Available in Fortran, C, and IDL for most popular computing platforms.

5

Pang, Kevin D., and Kevin K. Yau. "The need for more accurate 4000-year ephemerides, based on lunar and spacecraft ranging, ancient eclipse and planetary data." Symposium - International Astronomical Union 172 (1996): 113–16. http://dx.doi.org/10.1017/s0074180900127202.

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Long planetary and lunar ephemerides like the JPL DE102 and LE51 (Newhall et al., 1983) and the Bureau des Longitudes VSOP (Bretagnon, 1982) and ELP (Chapront-Touze and Chapront, 1983) have enabled more positive ancient eclipse, planetary and cometary identifications, which have in turn refined ephemerides, e.g., the reconstruction of the orbit of comets Halley and Swift-Tuttle (Yeomans and Kiang, 1981; and Yau et al., 1994). The data used to initialize DE102 are pre-1977. Much more observational data have been collected since. The lunar ephemeris has also been improved. The secular lunar acceleration, , from laser ranging, is −25.9±0.5″/cen2 (Williams et al., 1992). We can now uniquely solve for ΔT, the clock error, from ancient eclipse records. The lack of ΔT values before 700 B.C. has left the early timescale of the ephemerides unconstrained (Morrison, 1992). Our solution of this problem is outlined here.

6

Tang, K., Y. Z. Song, K. X. Shen, R. C. Qiao, Z. H. Tang, Y. Yu, H. Y. Zhang, and D. Yan. "The orbit of Triton with new precise observations and the INPOP19a ephemeris." Astronomy & Astrophysics 641 (September 2020): A108. http://dx.doi.org/10.1051/0004-6361/202038556.

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Aims. The Gaia catalogue brings new opportunities and challenges to high-precision astronomy and astrometry. The precision of data reduction is therefore improved by a large number of reference stars with high-precision positions and proper motions. Numerous precise positions for Triton are obtained from the latest observations using the Gaia catalogue. Furthermore, the new INPOP19a planetary ephemeris, which also fits the observations from the Gaia Data Release 2, has recently become available. In this paper, a new orbit of Triton is calculated using the latest precise charge-coupled device (CCD) observations and the INPOP19a ephemeris. Methods. Triton’s orbital solution is calculated using a numerical integrator, while the orientation of Neptune’s pole in particular is obtained by integrating the simplified Euler’s equations of motion. We determine the orbit of Triton over 170 yr based on 11 040 Earth-based observations made between 1847 and 2016 and on Voyager 2 data. The positions of the Sun and planets are provided by the INPOP19a ephemeris. We compare our results to those from other previous works to check the influences on Triton’s orbit from different planetary ephemerides. Results. A new orbit of Triton is provided here. The root-mean-square of the residuals for the Earth-based CCD absolute observations are 0.102″ in right ascension and 0.142″ in declination. Although most different planetary ephemerides have large differences in Neptune’s position, the orbits of Triton using different planetary ephemerides are still close, under similar dynamical models. The Voyager 2 data add a constraint on Triton’s orbit here.

7

Standish, E. M. "Celestial Reference Frames: Definitions and Accuracies." Symposium - International Astronomical Union 129 (1988): 309–15. http://dx.doi.org/10.1017/s0074180900134813.

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The determination of a specific catalogue or ephemeris reference frame is a highly over-determined problem, depending on the particular selection of which coordinates, which objects and at what time(s) the determination is made. The consistency which various determinations exhibit is dependent upon the accuracy of the catalogue or ephemeris itself. This paper discusses the accuracies of the three most prominent celestial reference frames: stellar catalogues, the lunar and planetary ephemerides and the radio source catalogues.The FK4 stellar catalogue contains known systematic errors amounting to a few tenths of an arcsecond; the FK5 will yield nearly an order of magnitude improvement; HIPPARCOS and Space Telescope expectby the mid 1990's optical interferometry should approachwithin a couple of years, tens of micro(!)arcseconds after a couple of decades. Present-day lunar and planetary ephemerides have accuracies at the level offor the moon and inner four planets;for the outer planets. Further observational data will permit continued improvement. Radio source catalogues now show internal consistency of

8

Capistrano, Abraão J. S., Joice A. M. Penagos, and Manuel S. Alárcon. "Heuristic Approach on Anomalous Apsidal Precession of Planets." International Journal of Modern Physics: Conference Series 45 (January 2017): 1760074. http://dx.doi.org/10.1142/s2010194517600746.

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In this paper we study the anomalous movement of planet precession as compared with different observational data from Ephemerides of the Planets and the Moon (EPM2008 and EPM2011) and the Planetary and Lunar Ephemeris (INPOP10a). Using a heuristic methodology we obtain a very close results to observations.

9

Standish, E. M., and X. X. Newhall. "New accuracy levels for solar system ephemerides." Symposium - International Astronomical Union 172 (1996): 29–36. http://dx.doi.org/10.1017/s0074180900127081.

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DE403/LE403 is the latest JPL Planetary and Lunar Ephemeris. It represents a number of changes and improvements to previous JPL ephemerides: the reference frame is now that of the IERS, newer and more accurate observations are used in the adjustment process, some of the data reduction techniques have been refined, and improved dynamical modeling has been incorporated into the equations of motion. As a result, the internal accuracy of the inner four planets has been improved. Further, various measurements accurately tie Jupiter onto the IERS Reference Frame. In the future, use of CCD measurements and the Hipparcos Catalogue should improve the ephemerides of the outermost four planets.DE403/LE403 has been integrated over 6000 years, from 3000 BC to 3000 AD. A more condensed representation has been made from this, named DE404/LE404. It replaces DE102 as the new JPL “Long Ephemeris”.

10

Coma, J. C., M. Lara, and T. López Moratalla. "Uniform approximation of planetary ephemerides." Astronomy and Astrophysics Supplement Series 129, no. 2 (April 1998): 425–30. http://dx.doi.org/10.1051/aas:1998194.

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Дисертації з теми "Planetary ephemerides":

1

Verma, Ashok Kumar. "Improvement of the planetary ephemerides using spacecraft navigation data and its application to fundamental physics." Thesis, Besançon, 2013. http://www.theses.fr/2013BESA2030/document.

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Les éphémérides planétaires jouent un rôle important pour la navigation des missions spatiales actuelles et la mise en place des missions futures ainsi que la réduction et l'analyse des observations astronomiques les plus précises. Les éphémérides planétaires actuelles (DE, INPOP, EPM)L'objectif de la thèse est d'utiliser des archives de données de missions spatiales passées et présentes et de fournir des outils d'analyse pour l'amélioration de l'éphéméride de données pour l'amélioration de l’éphéméride planétaire planétaire INPOP, ainsi que pour une meilleure utilisation des éphémérides pour effectuer des teste de la physique tels que la relativité générale, les études de la couronne solaire [...]
The planetary ephemerides play a crucial role for spacecraft navigation, mission planning, reductionand analysis of the most precise astronomical observations. The construction of suchephemerides is highly constrained by the tracking observations, in particular range, of the spaceprobes collected by the tracking stations on the Earth. The present planetary ephemerides (DE,INPOP, EPM) are mainly based on such observations. However, the data used by the planetaryephemerides are not the direct raw tracking data, but measurements deduced after the analysisof raw data made by the space agencies and the access to such processed measurements remainsdifficult in terms of availability.The goal of the thesis is to use archives of past and present space missions data independentlyfrom the space agencies, and to provide data analysis tools for the improvement of theplanetary ephemerides INPOP, as well as to use improved ephemerides to perform tests ofphysics such as general relativity, solar corona studies, etc.The first part of the study deals with the analysis of the Mars Global Surveyor (MGS)tracking data as an academic case for understanding. The CNES orbit determination softwareGINS was used for such analysis. The tracking observations containing one-, two-, and threewayDoppler and two-way range are then used to reconstruct MGS orbit precisely and obtainedresults are consistent with those published in the literature. As a supplementary exploitationof MGS, we derived the solar corona model and estimated the average electron density alongthe line of sight separately for slow and fast wind regions. Estimated electron densities arecomparable with the one found in the literature. Fitting the planetary ephemerides, includingadditional data which were corrected for the solar corona perturbations, noticeably improves theextrapolation capability of the planetary ephemerides and the estimation of the asteroid masses(Verma et al., 2013a).The second part of the thesis deals with the complete analysis of the MESSENGER trackingdata. This analysis improved the Mercury ephemeris up to two order of magnitude comparedto any latest ephemerides. Such high precision ephemeris, INPOP13a, is then used to performgeneral relativity tests of PPN-formalism.[...]

2

Di, Ruscio Andrea. "Utilisation des données de radio science pour la construction d’éphémérides planétaires." Thesis, Université Côte d'Azur, 2021. http://www.theses.fr/2021COAZ4031.

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Le thème central de la thèse concerne l’utilisation des données de radio tracking pour le développement d’éphémérides planétaires, en particulier, dans deux cas : 1) analyse de données de navigation de la mission Cassini pour améliorer les éphémérides de Saturne et augmenter notre connaissance du système solaire externe ; 2) simulation des données radio de la mission ESA BepiColombo collectées durant la phase orbital à Mercure, pour évaluer leur contribution sur le développement des éphémérides planétaire de l’Intégrateur Numérique Planétaire de l’Observatoire de Paris (INPOP).Le premier sujet de recherche essaie de traiter les données de navigation de la sonde Cassini autour de Saturne en utilisant la connaissance mise à jour du système Saturnien : éphémérides précises pour les lunes du système et caractérisation de la gravité de Titan et des autres lunes principales.Ça permis la création des points normaux plus précis, capable de contraindre l’orbite de Saturne pour 13 ans (la moitié de sa révolution autour du Soleil) au niveau des mètres et de donner précieux informations sur le système solaire externe, en particulier sur la masse de la Kuiper belt et sur la possible position de P9. Les nouvelles données montrent une réduction de l’incertitude d’un facteur 5 en respect aux analyses précédentes.La deuxième partie de la thèse se concentre sur la production des simulations réalistes des données radio que le Mercury Orbiter Radio-science Experiment (MORE) de la sonde BepiColombo mesurera durant la phase scientifique de sa mission autour de Mercure.Des points normaux sont après produits avec une incertitude déduite de la matrice de covariance de l’état de la sonde estimé en utilisant ces données simulées.Ces points sont donc traités par le weighted-least square estimateur d’INPOP pour quantifier l’impact que les données de BepiColombo auront sur le développement des éphémérides planétaires, en particulier pour contraindre l’orbite de Mercure et des paramètres relativistes
The central theme of the thesis concerns the exploitation of radio tracking measurements for the development of planetary ephemerides, in particular, applied on two research topics: 1) the analysis of navigation data of Cassini mission to enhance the ephemeris of Saturn and increase our knowledge of the outer solar system; 2) the simulation of BepiColombo measurements collected during the orbital phase at Mercury, for assessing their contribution on the Intégrateur Numérique Planétaire de l’Observatoire de Paris (INPOP) planetary ephemerides.The first research aims at reprocessing Cassini radio tracking data by exploiting the current knowledge of the Saturnian system developed throughout the mission, i.e. the availability of accurate satellite ephemerides and precise gravity solutions for Saturn, Titan and the other major moons. This allows the production of more precise normal points, which are able to constrain the orbit of the planet at meters-level for 13 years (almost half of its revolution) and to provide invaluable insights on the mass of the Kuiper belt. The results show a reduction of a factor 5 on normal points uncertainties with respect to previous analyses, providing tighter constraints on the acceptance regions of planet 9.The second research topic focuses on the production of realistic normal points derived from the end-to-end simulation of BepiColombo Mercury Orbiter Radio-science Experiment (MORE). The uncertainties of the normal points are deduced from the mapped covariance of the spacecraft state. The derived measurements are then processed with the INPOP weighted-least squares filter to quantify the achievable constraints on ephemerides and relativistic parameters

Книги з теми "Planetary ephemerides":

1

Espenak, Fred. Ten year planetary ephemeris: 1986-1995. Washington, D.C: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.

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2

Espenak, Fred. Twelve-year planetary ephemeris: 1995-2006. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1994.

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3

Espenak, Fred. Twelve-year planetary ephemeris, 1995-2006. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1994.

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4

Espenak, Fred. Twelve-year planetary ephemeris, 1995-2006. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1994.

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5

Espenak, Fred. Twelve-year planetary ephemeris, 1995-2006. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1994.

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6

Espenak, Fred. Twelve-year planetary ephemeris, 1995-2006. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1994.

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7

Michelsen, Neil F. Tables of planetary phenomena. 3rd ed. Exeter, NH: Starcrafts Pub., 2007.

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8

C, Eade J. Southeast Asian ephemeris: Solar and planetary positions, A.D. 638-2000. Ithaca, N.Y: Southeast Asia Program, Cornell University, 1989.

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9

Shanker, Rajeshwari. The times daily ephemeris, 2000 AD - 2010 AD: Using chitra paksha or lahiri ayanamsha : daily planetary position at 5.30 IST/0:0 hr. GMT. New Delhi: Nishkaam Peeth Prakashan, 2000.

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10

Shanker, Rajeshwari. The times hundred years' advanced ephemeris, 2001 AD - 2100 AD: Weekly planetary position at 5.30 hrs IST/0:0 hrs. GMT : using chitra paksha or lahiri ayanamsha. New Delhi: Niskaam Peeth Prakashan, 2001.

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Частини книг з теми "Planetary ephemerides":

1

Newhall, X. X. "Numerical Representation of Planetary Ephemerides." In Applications of Computer Technology to Dynamical Astronomy, 305–10. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0985-4_46.

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2

Kammeyer, Peter. "Compressed Planetary and Lunar Ephemerides." In Applications of Computer Technology to Dynamical Astronomy, 311–16. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0985-4_47.

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3

Seidelmann, P. K., E. J. Santoro, and K. F. Pulkkinen. "Systematic Differences between Planetary Observations and Ephemerides." In Relativity in Celestial Mechanics and Astrometry, 99–103. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4602-6_13.

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4

Standish, E. M. "The Orientation of Future JPL Planetary Ephemerides." In Highlights of Astronomy, 204. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-010-9374-3_25.

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5

Standish, E. Myles. "On the Reference Frame of the Planetary Ephemerides." In Astrometric Techniques, 677–83. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4676-7_84.

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6

Moisson, X. "Links Between Time Scales Using Barycentric Relativistic Ephemerides." In The Dynamical Behaviour of our Planetary System, 333–44. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5510-6_23.

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7

Standish, E. Myles. "Numerical Planetary and Lunar Ephemerides: Present Status, Precision and Accuracies." In Relativity in Celestial Mechanics and Astrometry, 71–83. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4602-6_10.

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8

Newhall, X. X., R. A. Preston, and F. B. Esposito. "Relating the JPL VLBI Reference Frame and the Planetary Ephemerides." In Astrometric Techniques, 789–94. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4676-7_99.

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9

"Planetary Ephemeris, Small-body Ephemeris, and Satellite Ephemerides." In Formulation for Observed and Computed Values of Deep Space Network Data Types for Navigation, 33–53. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471728470.ch3.

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10

Emelyanov, Nikolay. "Estimation of the accuracy of planetary satellite ephemeris." In The Dynamics of Natural Satellites of the Planets, 277–91. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-822704-6.00013-3.

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Тези доповідей конференцій з теми "Planetary ephemerides":

1

Standish, E. M., Alfredo Macias, Claus Lämmerzahl, and Abel Camacho. "Planetary and Lunar Ephemerides: testing alternate gravitational theories." In 2007. AIP, 2008. http://dx.doi.org/10.1063/1.2902789.

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2

Fienga, Agnès, Jacques Laskar, Hervé Manche, and Mickael Gastineau. "Tests of GR with INPOP15a planetary ephemerides: Estimations of possible supplementary advances of perihelia for Mercury and Saturn." In Proceedings of the MG14 Meeting on General Relativity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813226609_0482.

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3

Russell, Ryan, and Nitin Arora. "FIRE: A Fast, Accurate, and Smooth Planetary Body Ephemeris Interpolation System." In AIAA/AAS Astrodynamics Specialist Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-6278.

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