Results 121 to 130 of about 43,513 (282)
ABTRAJ on-site tracking prediction program [PDF]
, 1969 Computer program, ABTRAJ, provides Deep Space Network tracking stations with the capability of generating spacecraft predictions with on-site computers.
Berman, A. L., Leppla, F. B.
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, 2019 Ephemeris_01 This is the first volume of the magazine Ephemeris. Ephemeris is a magazine, published on behalf of Physics Forum, Bharathidasan University, Tiruchirappalli. It contains but not limits to, the articles, poems and cartoons created by students of Physics, Bharathidasan University.
openaire +1 more source
Precise Orbit Determination of GPS Satellites for Real Time Applications [PDF]
Journal of Astronomy and Space Sciences, 2001 The accuracy of GPS applications is heavily dependent on the satellite ephemeris and earth orientation parameter. Specially applications like as the real time monitoring of troposphere and ionosphere require real time or predicted ephemeris and earth ...
Hyung-Chul Lim +4 more
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Ephemeris for Physical Observations of Jupiter, 1901 [PDF]
, 1900 A. C. D. Crommelin
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Absolute Timing of the Crab Pulsar with RXTE
, 2004 We have monitored the phase of the main X-ray pulse of the Crab pulsar with the Rossi X-ray Timing Explorer (RXTE) for almost eight years, since the start of the mission in January 1996. The absolute time of RXTE's clock is sufficiently accurate to allow
Andrew G. Lyne +6 more
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Applied SciencesThis study addresses the issue of atmospheric delay correction for the rational polynomial coefficient (RPC) model associated with spaceborne synthetic aperture radar (SAR) imagery under conditions lacking ephemeris data, proposing a novel approach to ...
Doudou Hu +3 more
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No variations in transit times for Qatar-1 b
, 2015 The transiting hot Jupiter planet Qatar-1 b was presented to exhibit variations in transit times that could be of perturbative nature. A hot Jupiter with a planetary companion on a nearby orbit would constitute an unprecedented planetary configuration ...
Aceituno, F. J. +13 more
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