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Lunar Prospector Status Report #31

May 7, 1998 - 1:00 p.m. EST (10:00 a.m. PST)

The Lunar Prospector spacecraft continues to perform very well and instruments are collecting good data.

No commanding has been done in the last week. Results of the orbit trim performed last week show that the final orbit was reached as targetted, 88 km x 112 km.

Current spacecraft state (0000 GMT 5/7/98):

Orbit: 1396
Downlink: 3600 bps
Spin Rate: 11.96 rpm

Spin Axis Attitude (ecliptic):
Latitude: 89.2 deg
Longitude: 75 deg

Trajectory:
Periselene Alt: 88 km
Aposelene Alt: 112 km
Inclination: 90.9 deg
Period: 118 minutes

Occultations: 46
Eclipses: 43 minutes

Lisa Chu Thielbar
NASA Ames Research Center
Moffett Field, CA 94035-1000
lchu-thielbar@mail.arc.nasa.gov