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Journal articles on the topic 'Flyby anomaly'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

ADLER, STEPHEN L. "MODELING THE FLYBY ANOMALIES WITH DARK MATTER SCATTERING: UPDATE WITH ADDITIONAL DATA AND FURTHER PREDICTIONS." International Journal of Modern Physics A 28, no. 15 (2013): 1350074. http://dx.doi.org/10.1142/s0217751x13500747.

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We continue our exploration of whether the flyby anomalies can be explained by scattering of spacecraft nucleons from dark matter gravitationally bound to the Earth, with the addition of data from five new flybys to that from the original six. We continue to use our model in which inelastic and elastic scatterers populate shells generated by the precession of circular orbits with normals tilted with respect to the Earth's axis. With 11 data points and eight parameters in the model, a statistically meaningful fit is obtained with a chi-squared of 2.7. We give plots of the anomalous acceleration

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2

Mirza, Babur M. "The flyby anomaly and the gravitational–magnetic field induced frame-dragging effect around the Earth." Monthly Notices of the Royal Astronomical Society 489, no. 3 (2019): 3232–35. http://dx.doi.org/10.1093/mnras/stz2353.

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ABSTRACT The anomalous energy difference observed during the Earth flybys is modelled here as a dynamical effect resulting from the coupling of the gravitational and the magnetic fields of the Earth. The theoretical analysis shows that general relativistic frame-dragging can become modified under the Earth’s magnetic field by orders of magnitude. For 12 flyby cases, including the null results reported in some recent flybys, the predicted velocities correspond to the observed velocities within the observational error. The gravitomagnetic effect is also shown to account for the linear distance r

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3

Turyshev, Slava G., and Viktor T. Toth. "The Puzzle of the Flyby Anomaly." Space Science Reviews 148, no. 1-4 (2009): 169–74. http://dx.doi.org/10.1007/s11214-009-9571-0.

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4

Hutchin, Richard A. "The Physics behind the NASA Flyby Anomaly." Optics and Photonics Journal 12, no. 03 (2022): 31–51. http://dx.doi.org/10.4236/opj.2022.123003.

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5

Atchison, Justin A., Mason A. Peck, and Brett J. Streetman. "Lorentz Accelerations in the Earth Flyby Anomaly." Journal of Guidance, Control, and Dynamics 33, no. 4 (2010): 1115–22. http://dx.doi.org/10.2514/1.47413.

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6

BERTOLAMI, ORFEU, FREDERICO FRANCISCO, PAULO J. S. GIL, and JORGE PÁRAMOS. "TESTING THE FLYBY ANOMALY WITH THE GNSS CONSTELLATION." International Journal of Modern Physics D 21, no. 04 (2012): 1250035. http://dx.doi.org/10.1142/s0218271812500356.

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We propose the concept of a space mission to probe the so called flyby anomaly, an unexpected velocity change experienced by some deep-space probes using earth gravity assists. The key feature of this proposal is the use of GNSS systems to obtain an increased accuracy in the tracking of the approaching spacecraft, mainly near the perigee. Two low-cost options are also discussed to further test this anomaly: an add-on to an existing spacecraft and a dedicated mission.

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7

Acedo, Luis. "The Flyby Anomaly in an Extended Whitehead’s Theory." Galaxies 3, no. 3 (2015): 113–28. http://dx.doi.org/10.3390/galaxies3030113.

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8

Acedo, L. "The flyby anomaly: A case for strong gravitomagnetism?" Advances in Space Research 54, no. 4 (2014): 788–96. http://dx.doi.org/10.1016/j.asr.2014.04.014.

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9

Acedo, L., P. Piqueras, and J. A. Moraño. "A possible flyby anomaly for Juno at Jupiter." Advances in Space Research 61, no. 10 (2018): 2697–706. http://dx.doi.org/10.1016/j.asr.2018.02.037.

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10

Iorio, L. "A flyby anomaly for Juno? Not from standard physics." Advances in Space Research 54, no. 11 (2014): 2441–45. http://dx.doi.org/10.1016/j.asr.2014.06.035.

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11

Solomon, Khmelnik. "THE NATURE OF THE CORIOLIS FORCE AND FLYBY ANOMALY." Canadian Journal of Pure and Applied Sciences, 2023 17, no. 3 (2023): 1–5. https://doi.org/10.5281/zenodo.8104272.

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The existing idea about the nature of the Coriolis force and centrifugal force raises many perplexing questions. The article proves that these forces can be justified as a consequence of Maxwell's equations for gravitomagnetism. Further, it is shown that the flyby anomaly is a consequence of the influence of the Coriolis forces, and the method for calculating this influence is indicated.

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12

Fedosin, Sergey G. "The Pioneer anomaly in covariant theory of gravitation." Canadian Journal of Physics 93, no. 11 (2015): 1335–42. http://dx.doi.org/10.1139/cjp-2015-0134.

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The difference of equations of motion in the covariant theory of gravitation and in the general theory of relativity is used to explain the Pioneer anomaly. Calculation shows that the velocities of a spacecraft in both theories at equal distances can differ by several centimetres per second. This leads also to a possible explanation of the flyby anomaly and comet disturbances, which are not taken into account by the general theory of relativity.

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13

Fedosin, Sergey G. "The Pioneer Anomaly in Covariant Theory of Gravitation." Canadian Journal of Physics 93, no. 11 (2015): 1335–42. https://doi.org/10.1139/cjp-2015-0134.

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The difference of equations of motion in the covariant theory of gravitation and in the general theory of relativity is used to explain the Pioneer anomaly. Calculation shows that the velocities of a spacecraft in both theories at equal distances can differ by several centimetres per second. This leads also to a possible explanation of the flyby anomaly and comet disturbances which are not taken into account by the general theory of relativity.

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14

Páramos, Jorge, and G. Hechenblaikner. "Probing the flyby anomaly with the future STE-QUEST mission." Planetary and Space Science 79-80 (May 2013): 76–81. http://dx.doi.org/10.1016/j.pss.2013.02.005.

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15

Pinheiro, Mario J. "The flyby anomaly and the effect of a topological torsion current." Physics Letters A 378, no. 41 (2014): 3007–11. http://dx.doi.org/10.1016/j.physleta.2014.09.003.

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16

Acedo, L., and Ll Bel. "On a correlation among azimuthal velocities and the flyby anomaly sign." Astronomische Nachrichten 338, no. 1 (2017): 117–24. http://dx.doi.org/10.1002/asna.201613151.

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17

CASTRO, CARLOS. "THE CLIFFORD SPACE GEOMETRY BEHIND THE PIONEER AND FLYBY ANOMALIES." International Journal of Modern Physics A 25, no. 04 (2010): 815–36. http://dx.doi.org/10.1142/s0217751x10047555.

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It is rigorously shown how the extended relativity theory in Clifford spaces (C-spaces) can explain the variable radial dependence ap(r) of the Pioneer anomaly; its sign (pointing towards the Sun); why planets do not experience the anomalous acceleration and why the present day value of the Hubble scale RH appears. It is the curvature–spin coupling of the planetary motions that hold the key. The difference in the rate at which clocks tick in C-space translates into the C-space analog of Doppler shifts which may explain the anomalous redshifts in cosmology, where objects which are not that far

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18

Pinheiro, Mario J. "Some effects of topological torsion currents on spacecraft dynamics and the flyby anomaly." Monthly Notices of the Royal Astronomical Society 461, no. 4 (2016): 3948–53. http://dx.doi.org/10.1093/mnras/stw1581.

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19

Kim, Youngkwang, and Sang-Young Park. "Analysis of Position and Velocity Variations for Hyperbolic Orbits and Application to Flyby Anomaly." TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 61, no. 5 (2018): 181–90. http://dx.doi.org/10.2322/tjsass.61.181.

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20

LASSIAILLE, FREDERIC. "GRAVITATIONAL MODEL OF THE THREE ELEMENTS THEORY." International Journal of Modern Physics E 20, supp02 (2011): 78–83. http://dx.doi.org/10.1142/s0218301311040633.

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The gravitational model of the three elements theory is an alternative theory to dark matter. It uses a modification of Newton's law in order to explain gravitational mysteries. The results of this model are explanations for the dark matter mysteries, the Pioneer anomaly, and the disparities of the measurements of G. Concerning the earth flyby anomalies, the theoretical order of magnitude is the same as the experimental one. A very small change of the perihelion advance of the planet orbits is calculated by this model. Meanwhile, this gravitational model is perfectly compatible with restricted

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21

Putri, A. R. D., P. Sidiropoulos, and J. P. Muller. "ANOMALY DETECTION PERFORMANCE COMPARISON ON ANOMALY-DETECTION BASED CHANGE DETECTION ON MARTIAN IMAGE PAIRS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W13 (June 5, 2019): 1437–41. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w13-1437-2019.

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<p><strong>Abstract.</strong> The surface of Mars has been imaged in visible wavelengths for more than 40 years since the first flyby image taken by Mariner 4 in 1964. With higher resolution from orbit from MOC-NA, HRSC, CTX, THEMIS, and HiRISE, changes can now be observed on high-resolution images from different instruments, including spiders (Piqueux et al., 2003) near the south pole and Recurring Slope Lineae (McEwen et al., 2011) observable in HiRISE resolution. With the huge amount of data and the small number of datasets available on Martian changes, semi-automatic or a

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22

Iorio, Lorenzo. "The Effect of General Relativity on Hyperbolic Orbits and Its Application to the Flyby Anomaly." Scholarly Research Exchange 2009 (2009): 1–8. http://dx.doi.org/10.3814/2009/807695.

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23

Rievers, B., and C. Lämmerzahl. "High precision thermal modeling of complex systems with application to the flyby and Pioneer anomaly." Annalen der Physik 523, no. 6 (2011): 439–49. http://dx.doi.org/10.1002/andp.201100081.

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24

TURYSHEV, SLAVA G., VIKTOR T. TOTH, LARRY R. KELLOGG, EUNICE L. LAU, and KYONG J. LEE. "A STUDY OF THE PIONEER ANOMALY: NEW DATA AND OBJECTIVES FOR NEW INVESTIGATION." International Journal of Modern Physics D 15, no. 01 (2006): 1–55. http://dx.doi.org/10.1142/s0218271806008218.

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The Pioneer 10/11 spacecraft yielded the most precise navigation in deep space to date. However, their radiometric tracking data has consistently indicated the presence of a small, anomalous, Doppler frequency drift. The drift is a blue shift, uniformly changing with a rate of ~6 × 10-9 Hz/s and can be interpreted as a constant sunward acceleration of each particular spacecraft of aP = (8.74±1.33) × 10-10 m/s 2 (or, alternatively, a time acceleration of at = (2.92±0.44) × 10-18 s/s 2). This signal has become known as the Pioneer anomaly; the nature of this anomaly remains unexplained. We discu

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25

Rivera, Paul C. "Gravitational Weakening of Seismic Origin as a Driving Mechanism of Some Astronomical Anomalies." Applied Physics Research 11, no. 2 (2019): 10. http://dx.doi.org/10.5539/apr.v11n2p10.

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The anomalous increase of the astronomical unit, the mysterious secular increase of the lunar eccentricity and the flyby anomaly are important issues of modern astronomy. This study aims to determine the effect of earthquakes on the origin of these anomalies. Based on conventional physics, we found the existence of earthquake-induced gravitational weakening within the earth-moon-sun system and beyond. New equations of gravitation, including time dilation, are introduced that can explain the anomalous increase of the astronomical unit and the lunar orbit. A modified equation that includes the e

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26

Iorio, Lorenzo. "Gravitational anomalies in the solar system?" International Journal of Modern Physics D 24, no. 06 (2015): 1530015. http://dx.doi.org/10.1142/s0218271815300153.

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Mindful of the anomalous perihelion precession of Mercury discovered by Le Verrier in the second half of the nineteenth century and its successful explanation by Einstein with his General Theory of Relativity in the early years of the twentieth century, discrepancies among observed effects in our Solar system and their theoretical predictions on the basis of the currently accepted laws of gravitation applied to known matter-energy distributions have the potential of paving the way for remarkable advances in fundamental physics. This is particularly important now more than ever, given that most

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27

Anderson, John D., and Michael Martin Nieto. "Astrometric solar-system anomalies." Proceedings of the International Astronomical Union 5, S261 (2009): 189–97. http://dx.doi.org/10.1017/s1743921309990378.

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AbstractThere are at least four unexplained anomalies connected with astrometric data. Perhaps the most disturbing is the fact that when a spacecraft on a flyby trajectory approaches the Earth within 2000 km or less, it often experiences a change in total orbital energy per unit mass. Next, a secular change in the astronomical unit AU is definitely a concern. It is reportedly increasing by about 15 cm yr−1. The other two anomalies are perhaps less disturbing because of known sources of nongravitational acceleration. The first is an apparent slowing of the two Pioneer spacecraft as they exit th

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28

Krüger, Harald, Peter Strub, Max Sommer, et al. "Helios spacecraft data revisited: detection of cometary meteoroid trails by following in situ dust impacts." Astronomy & Astrophysics 643 (November 2020): A96. http://dx.doi.org/10.1051/0004-6361/202038935.

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Context. Cometary meteoroid trails exist in the vicinity of comets, forming a fine structure of the interplanetary dust cloud. The trails consist predominantly of the largest cometary particles (with sizes of approximately 0.1 mm–1 cm), which are ejected at low speeds and remain very close to the comet orbit for several revolutions around the Sun. In the 1970s, two Helios spacecraft were launched towards the inner Solar System. The spacecraft were equipped with in situ dust sensors which measured the distribution of interplanetary dust in the inner Solar System for the first time. Recently, wh

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29

Iess, L., D. J. Stevenson, M. Parisi, et al. "The Gravity Field and Interior Structure of Enceladus." Science 344, no. 6179 (2014): 78–80. http://dx.doi.org/10.1126/science.1250551.

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The small and active Saturnian moon Enceladus is one of the primary targets of the Cassini mission. We determined the quadrupole gravity field of Enceladus and its hemispherical asymmetry using Doppler data from three spacecraft flybys. Our results indicate the presence of a negative mass anomaly in the south-polar region, largely compensated by a positive subsurface anomaly compatible with the presence of a regional subsurface sea at depths of 30 to 40 kilometers and extending up to south latitudes of about 50°. The estimated values for the largest quadrupole harmonic coefficients (106J2= 543

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30

Plumaris, Michael, Dominic Dirkx, Christian Siemes, and Olivier Carraz. "Cold Atom Interferometry for Enhancing the Radio Science Gravity Experiment: A Phobos Case Study." Remote Sensing 14, no. 13 (2022): 3030. http://dx.doi.org/10.3390/rs14133030.

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Interplanetary missions have typically relied on Radio Science (RS) to recover gravity fields by detecting their signatures on the spacecraft trajectory. The weak gravitational fields of small bodies, coupled with the prominent influence of confounding accelerations, hinder the efficacy of this method. Meanwhile, quantum sensors based on Cold Atom Interferometry (CAI) have demonstrated absolute measurements with inherent stability and repeatability, reaching the utmost accuracy in microgravity. This work addresses the potential of CAI-based Gradiometry (CG) as a means to strengthen the RS grav

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31

Acedo, L. "The flyby anomaly: a multivariate analysis approach." Astrophysics and Space Science 362, no. 2 (2017). http://dx.doi.org/10.1007/s10509-017-3025-z.

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32

"Future satellite mission may help explain flyby anomaly." Physics Today, 2012. http://dx.doi.org/10.1063/pt.5.026497.

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33

Adler, Stephen L. "Can the flyby anomaly be attributed to earth-bound dark matter?" Physical Review D 79, no. 2 (2009). http://dx.doi.org/10.1103/physrevd.79.023505.

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34

Varieschi, Gabriele U. "Kerr metric, geodesic motion, and Flyby Anomaly in fourth-order Conformal Gravity." General Relativity and Gravitation 46, no. 6 (2014). http://dx.doi.org/10.1007/s10714-014-1741-z.

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35

Robidel, R., E. Quémerais, J. Y. Chaufray, et al. "Mercury's Exosphere as Seen by BepiColombo/PHEBUS Visible Channels During the First Two Flybys." Journal of Geophysical Research: Planets 128, no. 12 (2023). http://dx.doi.org/10.1029/2023je007808.

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AbstractBepiColombo, the ESA/JAXA joint mission performed its first flyby of Mercury on 1 October 2021 and its second on 23 June 2022. PHEBUS observed the exosphere of Mercury during these flybys notably with its visible channels c404 (centered on the potassium emission line at 404 nm) and c422 (centered on the calcium emission line at 422 nm). The c422 signal shows not only an enhancement of calcium (Ca) near the dawn region but also a very extensive Ca exosphere on the morning side beyond 10,000 km. The e‐folding distance deduced from our Ca profiles (2,500–2,800 km) is in agreement with the

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36

Dai, De-Chang, Djordje Minic, and Dejan Stojkovic. "Interaction of cosmological domain walls with large classical objects, like planets and satellites, and the flyby anomaly." Journal of High Energy Physics 2022, no. 3 (2022). http://dx.doi.org/10.1007/jhep03(2022)207.

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Abstract Cosmological domain walls can be formed as a result of symmetry breaking at any epoch during the evolution of our universe. We study their interaction with a classical macroscopic object, like Earth or a satellite in Earth’s orbit. We set up an action that includes the interaction term between the massive classical object and the scalar field that the domain wall is made of. We use numerical calculations to solve the coupled equations of motion which describe the crossing between the domain wall and the classical object. Depending on the strength of the interaction, relative velocity

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37

Dhaliwal, Harsimran. "+/- charged Dark Matter probability clouds using scaled up particle physics emulates Quantum Gravity." Qeios, August 11, 2023. http://dx.doi.org/10.32388/77zin5.

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There are many similarities between probability clouds of electrons and data collected over time of macro phenomena. Probability clouds operate at tiny particle sized levels but particles may also operate on much larger levels from thousand of kilometres to light years across in the form of probability clouds of Dark Matter. Dark Matter may be composed of a probability cloud of a certain type of particle with a negative charge that interacts with atoms via electrostatic forces to cause gravity. One possible candidate particle of Dark Matter may be composed of Dark Matter Halo Neutrino probabil

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38

Bouchard, Phil. "Finite Theory: A Groundbreaking New Gravitational Model." January 21, 2024. https://doi.org/10.5281/zenodo.10547447.

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A groundbreaking new gravitational model is proposed here that can explain all observations, from perihelion precession and light bending to galactic rotation curves, without the need for dark matter, dark energy, or violating the laws of energy conservation. Additionally, a robust correction to the mass and radius of the universe is presented. An experiment aboard the International Space Station (ISS) is suggested to validate this model. This work also offers many explanations, including the flyby anomaly and the anomalous residual of Earth's tides.Gravitoelectromagnetism (GEM) is used at the

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