Tests of general relativity using astrometric and radiometric observations of the planetsCurrent 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.
Document ID
19770028110
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Anderson, J. D. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Keesey, M. S. W. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Lau, E. L. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Standish, E. M., Jr. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Newhall, X. X. (California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)