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List of active Solar System probes - Wikipedia
Web20 apr. 2024 · More than 10900 tonnes. Not all objects are tracked and catalogued. The number of debris objects estimated based on statistical models to be in orbit ( MASTER … WebThis is a list of active space probes which have escaped Earth orbit.It includes lunar space probes, but does not include space probes orbiting at the Sun–Earth Lagrangian points … fishman island grind gpo
Overview Earth – NASA Solar System Exploration
WebTwo medium Earth orbits are notable: the semi-synchronous orbit and the Molniya orbit. The semi-synchronous orbit is a near-circular orbit (low eccentricity) 26,560 kilometers … Web25 nov. 2001 · Typically, a satellite in such an orbit moves in a near-circle about 1000 km (600 miles) above ground (some go lower but don't last as long, because of air friction) and each orbit takes about 100 minutes. Many spacecraft use such orbits, e.g. the US Air Force surveillance satellites of the DMSP series, or the series of French Earth-resources ... Web3 feb. 2024 · The Horizons service offers comprehensive access to the positions and other information on solar system objects, including the Sun, planets, planetary barycenters, planetary satellites, asteroids, comets, Lagrange Points, selected spacecraft, in a variety of forms and formats. fishman island gpo maze map