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XMM is classified as:


NORAD ID: 25989
Int'l Code: 1999-066A
Perigee: 28,194.0 km
Apogee: 92,927.6 km
Inclination: 66.2 °
Period: 2,872.2 minutes
Semi major axis: 66931 km
RCS: 10.0237 m2 (large)
Launch date: December 10, 1999
Source: European Space Agency (ESA)
Launch site: FRENCH GUIANA (FRGUI)

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LEMUR-2-NICHOL
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 25989U 99066A   25183.33227818 -.00000017  00000-0  00000+0 0  9994
2 25989  66.1836 287.6099 4835789  71.0316   0.1701  0.50136545 35611
Source of the keplerian elements: AFSPC