... Geophysical regions models | . About accuracy of the orbit determination and spacecraft positions calculation . ... in the various coordinate systems and different parameters along the orbit as a function of time are shown on the plots and ...
... orbits have different uses: while the synchronous orbit is best for communication ... orbit moves in a near-circle about 1000 km (600 miles) above ground (some go lower ...
... It orbits some 6700 km from the Earth's center, while the moon, at 380,000 km, completes one orbit in 27.3 days. ... orbiting above the equator at that distance keeps its position above the same spot on the ground; hence this is known as the ...
... Lunar Orbiter 4 photographed the entire nearside and 95 percent of the farside, and Lunar Orbiter 5 completed the farside coverage and acquired medium (20-meter or 660-foot) and high (2-meter or 6.6-foot) resolution images of 36 pre-selected areas. ...
... of all the available Lunar Orbiter 1 through 5 photos are contained in the report, 'Lunar Orbiter photographic data,' NSSDC 69 ... Space History Lunar Orbiter Lunar Orbiter 3 Lunar Orbiter 5 .. ...
... of all the available Lunar Orbiter 1 through 5 photos are contained in the report 'Lunar Orbiter Photographic Data,' NSSDC 69 ... Space History Lunar Orbiter Lunar Orbiter 2 .. ...
... It orbits some 6700 km from the Earth's center, while the moon, at 380,000 km, completes one orbit in 27.3 days . ... orbiting above the equator at that distance keeps its position above the same spot on the ground; hence this is known as the ...
... In it, centrifugal force just balances gravity for a spacecraft that is in a circular orbit with a period of one orbit per day (i.e., at fixed geographic longitude). ...