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COMPARISON OF GPS SATELLITE COORDINATES COMPUTED FROM BROADCAST AND IGS FINAL EPHEMERIDES

, 2018
There are mainly two different orbital information, namely broadcast ephemerides and IGS final ephemerides (IGS rapid, ultra rapid, predicted and final ephemerides) used in the GPS positioning. The broadcast ephemerides used in practice and real time are
Ozyuksel, F., Tusat, E., Ekrem TUSAT, Fethi Ozyuksel   +3 more
core   +1 more source

Toward Data-Driven Satellite Orbit Prediction: A Dataset and Method Survey for Multi-Regime Satellites

IEEE Access
The rapid proliferation of artificial satellites and space debris necessitates accurate orbit prediction to ensure orbital sustainability. While machine learning has emerged as a powerful tool for this task, existing surveys lack a systematic ...
Kangjun Lee, Seungwon Jeong, Jongu Park, Youjin Shin, Simon S. Woo   +4 more
doaj   +1 more source

Newtonian Planetary Ephemerides 1800-2000 - Development Ephemeris Number 28 [PDF]

, 1967
Computer-calculated Newtonian ephemerides, 1800-2000, for nine principal planets - Development ephemeris number ...
Lieske, J. H.
core  

Propagation of Space Objects

Journal of Aerospace Technology and Management, 2015
Actual, important problems of space dynamics are related to the protection of the Earth and its close space environment. This includes the study of disposal strategies for artificial satellites, the real-time propagation of space catalogues of thousands
Martin Lara, Rodolpho Vilhena de Moraes, Diogo Merguizo Sanchez, Antonio Fernando Bertachini de Almeida Prado   +3 more
doaj  

Tomography of thermospheric density from Starlink Ephemeris: initial report

Earth, Planets and Space
This report presents the first demonstration of successful tomographic analysis of thermospheric density using orbital data from a massive Starlink satellite constellation.
Mamoru Yamamoto
doaj   +1 more source

Alexander's Ephemerides (117), Second edition

The article discusses the nature of the Ephemerides and the relation with the rest of the tradition on ...
Bearzot, C.
core   +1 more source

Determination of Jupiter’s Pole Orientation from Juno Radio Science Data

Aerospace
The extreme accuracy of Juno radio science data allows us to perform very precise orbit determination experiments. While previous works focused on the estimation of the gravitational field of Jupiter, in this article, we aim to accurately determine the ...
Giacomo Lari, Marco Zannoni, Daniele Durante, Ryan S. Park, Giacomo Tommei   +4 more
doaj   +1 more source

Interactions between astronomical ephemerides and society

, 2009
Ephemerides are regularly made by astronomers for their own uses. However, the general public is also interested, as well as official organisms, because of the interactions of ephemerides with society. Astronomers in charge of the making of calendars and
Arlot, Jean-Eudes, Jean-Eudes Arlot
core   +1 more source

Cometary Astrometry [PDF]

, 1984
Modern techniques for making cometary astrometric observations, reducing these observations, using accurate reference star catalogs, and computing precise orbits and ephemerides are discussed in detail and recommendations and suggestions are given in ...
Marsden, B. G., Harrington, R. S., West, R. M., Yeomans, D. K.   +3 more
core  

Probing the Possible Causes of the Transit Timing Variation for TrES-2b in the TESS Era

The Astronomical Journal
Nowadays, transit timing variations (TTVs) are proving to be a very valuable tool in exoplanetary science to detect exoplanets by observing variations in transit times. To study the TTV of the hot Jupiter TrES-2b, we have combined 64 high-quality transit
Shraddha Biswas, D. Bisht, Ing-Guey Jiang, Devesh P. Sariya, Kaviya Parthasarathy   +4 more
doaj   +1 more source