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GRACE 1

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GRACE 1 is classified as:


NORAD ID: 27391
Int'l Code: 2002-012A
Perigee: 305.1 km
Apogee: 316.3 km
Inclination: 89.0 °
Period: 90.6 minutes
Semi major axis: 6681 km
RCS: 0.651 m2 (medium)
Launch date: March 17, 2002
Source: United States (US)
Launch site: PLESETSK MISSILE AND SPACE COMPLEX (PKMTR)

Map gravitational mini-variations caused by sea-level changes, glaciers and melting/freezing of ice sheets by measuring distance between satellites.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 27391U 02012A   17324.93181256 +.00029632 -72181-6 +10078-3 0  9996
2 27391 088.9817 297.6161 0008414 084.3192 331.1017 15.89537969201215
Source of the keplerian elements: AFSPC