oblateness
41Orbital station-keeping — In astrodynamics orbital station keeping is a term used to describe the orbital maneuvers made by thruster burns that are needed to keep a spacecraft in a particular assigned orbit. For many Earth satellites the effects of the non Keplerian… …
4299942 Apophis — Discovery[2] Discovered by Roy A. Tucker David J. Tholen Fabrizio Bernardi Discovery site Kitt Peak …
43Palomar Testbed Interferometer — The Palomar Testbed Interferometer is a near IR, long baseline stellar interferometer located at Palomar Observatory in north San Diego County. It was built by Caltech/JPL and is intended to serve as a testbed for developing interferometric… …
44Tarandus vel Rangifer — Tarandus or Rangifer ( the Reindeer ; vel means or ) was a small constellation located between the constellations of Cassiopeia and Camelopardalis. It was created by the French astronomer Pierre Charles Lemonnier in 1736 to commemorate the… …
45Flattening — Ellipticity redirects here. For ellipticity in differential calculus, see elliptic operator. This article is about geometry. For psychopathology, see flattening of affect. The flattening, ellipticity, or oblateness of an oblate spheroid is a… …
46CHARA array — The CHARA Array is an optical astronomical interferometer operated by The Center for High Angular Resolution Astronomy (CHARA) of the Georgia State University (GSU). CHARA is the World s highest angular resolution telescope at near infrared… …
47Constellation Observing System for Meteorology, Ionosphere, and Climate — COSMIC Operator COSMIC Major contractors Orbital Sciences Corporation Mission type Meteorology, Ionosphere, Climatology, and …
48National Australian Convention of Amateur Astronomers — The National Australian Convention of Amateur Astronomers (NACAA) is a biennial national forum for amateur astronomy in Australia. In 1966 two enthusiastic amateur astronomical groups, the James Cook Astronomers Club and the Canberra Astronomical …
49Ceres (dwarf planet) — For other uses of the name Ceres , see Ceres. Ceres   Ceres as seen by Hubble Space Telescope (ACS). The …
50Kepler problem in general relativity — The Kepler problem in general relativity involves solving for the motion of two spherical bodies interacting with one another by gravitation, as described by the theory of general relativity.Typically, and in this article, one body is assumed to… …
