Solar Perturbations in Saturnian Satellite Motions and Iapetus-Titan Interactions

1978 ◽  
pp. 237-237
Author(s):  
Yoshihide Kozai
Keyword(s):  
Solar Perturbations ◽  
Saturnian Satellite

scholarly journals Solar Perturbations in Saturnian Satellite Motions and Iapetus-Titan Interactions

1978 ◽  
Vol 41 ◽  
pp. 237-237
Author(s):  
Yoshihide Kozai
Keyword(s):  
Orbital Plane ◽  
Orbital Elements ◽  
Solar Perturbations ◽  
Saturnian Satellite

AbstractSolar perturbations in Saturnian satellite motions are computed with accuracy of 10-5 to try to analyze observed data of orbital elements for Titan. Perturbations due to Iapetus in Titan’s orbit are also developed by taking into account the motion of the orbital plane of Iapetus. Then the mass of Iapetus is determined by the motion of the orbital plane of Titan. Also oblateness parameters of Saturn and the mass of Rhea are determined by seven secular motions for six satellites. It is also found in the analysis that G. Struve’s values for the semi-major axes adopted in almanacs differ from the computed values by using the new data.

scholarly journals The Saturnian satellite Rhea as seen by Cassini VIMS

2012 ◽  
Vol 61 (1) ◽  
pp. 142-160 ◽  
Author(s):  
Katrin Stephan ◽  
Ralf Jaumann ◽  
Roland Wagner ◽  
Roger N. Clark ◽  
Dale P. Cruikshank ◽  
...  
Keyword(s):  
Saturnian Satellite

scholarly journals Present problems in relativistic Celestial Mechanics

1986 ◽  
Vol 114 ◽  
pp. 5-17
Author(s):  
V. A. Brumberg
Keyword(s):  
Time Scales ◽  
Celestial Mechanics ◽  
Reference Frames ◽  
Artificial Satellite ◽  
Circular Motion ◽  
Newtonian Approximation ◽  
Satellite Problem ◽  
Solar Perturbations ◽  
Coordinate Functions ◽  
Schwarzschild Problem

Review of the present problems of relativistic celestial mechanics. Advantage is taken of the method suggested earlier by the author and based on using quasi-Galilean coordinates with arbitrary coordinate functions or parameters. As compared with the previous papers the new elements are post-post-Newtonian approximation for the circular motion in the Schwarzschild problem and reduction of the artificial satellite problem including the main solar perturbations to the Schwarzschild problem. Some current questions of time scales definitions, reference frames and reduction of observations are briefly discussed.

The Origin of a Difference between Jovian and Saturnian Satellite Systems

2009 ◽  
Author(s):  
Takanori Sasaki ◽  
Shigeru Ida ◽  
Glen R. Stewart ◽  
Tomonori Usuda ◽  
Motohide Tamura ◽  
...  
Keyword(s):  
Satellite Systems ◽  
Saturnian Satellite

scholarly journals Lifetime Estimation of the Upper Stage of GSAT-14 in Geostationary Transfer Orbit

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
Jim Fletcher Jeyakodi David ◽  
Ram Krishan Sharma
Keyword(s):  
Initial Conditions ◽  
Lifetime Estimation ◽  
Eccentric Orbits ◽  
Solar Perturbations ◽  
Transfer Orbit ◽  
Upper Stage ◽  
Optimal Values ◽  
The Mean ◽  
Satellite Launch Vehicle ◽  
Earth’S Oblateness

The combination of atmospheric drag and lunar and solar perturbations in addition to Earth’s oblateness influences the orbital lifetime of an upper stage in geostationary transfer orbit (GTO). These high eccentric orbits undergo fluctuations in both perturbations and velocity and are very sensitive to the initial conditions. The main objective of this paper is to predict the reentry time of the upper stage of the Indian geosynchronous satellite launch vehicle, GSLV-D5, which inserted the satellite GSAT-14 into a GTO on January 05, 2014, with mean perigee and apogee altitudes of 170 km and 35975 km. Four intervals of near linear variation of the mean apogee altitude observed were used in predicting the orbital lifetime. For these four intervals, optimal values of the initial osculating eccentricity and ballistic coefficient for matching the mean apogee altitudes were estimated with the response surface methodology using a genetic algorithm. It was found that the orbital lifetime from these four time spans was between 144 and 148 days.

scholarly journals On the analytic lunar and solar perturbations of a near Earth satellite

1974 ◽  
Vol 10 (3) ◽  
pp. 253-276 ◽  
Author(s):  
Ronald H. Estes
Keyword(s):  
Earth Satellite ◽  
Solar Perturbations

scholarly journals Saturnian satellite observations made in Brazil during the 1995 opposition with an astrometric analysis

2001 ◽  
Vol 380 (2) ◽  
pp. 727-733 ◽  
Author(s):  
A. Vienne ◽  
W. Thuillot ◽  
C. H. Veiga ◽  
J.-E. Arlot ◽  
R. Vieira Martins
Keyword(s):  
Satellite Observations ◽  
Saturnian Satellite ◽  
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