Tests of general relativity using astrometric and radiometric observations of the planets
Abstract
Current least squares fits to solar system data, including transit circle observations of the terrestrial and giant planets, radar observations of the terrestrial planets, Mariner 9 range fixes to Mars, and Pioneer 10/11 range fixes to Jupiter, have yielded some new results of interest to experimental relativity. Solutions have been obtained for the parameterized post-Newtonian (PPN) parameters beta and gamma, the solar gravitational quadrupole moment J2, a time variation in the gravitational constant G, and four Nordtvedt parameters.
- Publication:
-
Anaheim International Astronautical Federation Congress
- Pub Date:
- October 1976
- Bibcode:
- 1976anah.iafcR....A
- Keywords:
-
- Astrometry;
- Planetology;
- Radio Astronomy;
- Relativity;
- Solar Orbits;
- Earth (Planet);
- Earth Tides;
- Gravitational Constant;
- Least Squares Method;
- Mars (Planet);
- Mercury (Planet);
- Radar Astronomy;
- Radiometers;
- Relativistic Effects;
- Venus (Planet);
- Astrophysics