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artificial satellite comparison table

Subject	is part of	has purpose	has orbital period	is an instance of	has focal ratio	has crew	has location	be disjoint from	has creator	has orbital inclination	has angular resolving power	has aperture	orbit	has effective diameter	has constant longitude	is a kind of	has wavelength sensitivity	has definition
active satellite							or center of gravity						a more massive physical object			artificial satellite
communication satellite							or center of gravity						a more massive physical object			artificial satellite
ESA satellite							or center of gravity						a more massive physical object			artificial satellite
geophysical satellite							or center of gravity						a more massive physical object			artificial satellite
geosynchronous satellite	Earth		24 hours (one day)				above the same position on the Earth			approximately zero degrees			Earth			artificial satellite		an artificial satellite which orbits Earth every 24 hours
inflatable spacecraft							or center of gravity						a more massive physical object			artificial satellite
Landsat satellite							or center of gravity						a more massive physical object			artificial satellite
lunar spacecraft							or center of gravity						a more massive physical object			artificial satellite
manned spacecraft						one or more	or center of gravity	unmanned spacecraft					a more massive physical object			artificial satellite
meteorological satellite							or center of gravity						a more massive physical object			artificial satellite
military spacecraft							or center of gravity						a more massive physical object			artificial satellite
NASA satellite							or center of gravity						a more massive physical object			artificial satellite
NASDA satellite							or center of gravity		NASDA				a more massive physical object			artificial satellite
navigation satellite							or center of gravity						a more massive physical object			artificial satellite
recoverable spacecraft							or center of gravity						a more massive physical object			artificial satellite		a spacecraft which returns to Earth intact
space telescope		observe celestial objects											a more massive physical object			artificial satellite
Sputnik 1				artificial satellite			or center of gravity						a more massive physical object					First artificial Earth satellite, launched by the Soviet Union on 4 October 1957. (lit.: companion)
tethered satellite							or center of gravity						a more massive physical object			artificial satellite
TIROS satellite							or center of gravity						a more massive physical object			artificial satellite
unmanned spacecraft						none	or center of gravity						a more massive physical object			artificial satellite		an artificial satellite without a crew

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