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Lunar Prospector Status Report #43

July 28, 1998 - 1:00 p.m. EST (10:00 a.m. PST)

A reorientation maneuver was executed yesterday to precess the spin axis back towards the north ecliptic pole. 27 pulses were fired using jets A1 and A4, precessing the spin axis about 5.5 degrees. 15 commands were sent.

The Lunar Prospector spacecraft continues to perform very well. 

Current spacecraft state (0000 GMT 7/2898):

Orbit: 2399
Downlink: 3600 bps
Spin Rate: 12.01 rpm

Spin Axis Attitude (ecliptic):
Latitude: 89.4deg
Longitude: 141.7 deg

Trajectory:
Periapsis Alt: 92.2 km
Apoapsis Alt: 107.8 km

Inclination: 89.9 deg
Period: 118 min
Occultations: 47 minutes
Eclipses: 15 minutes