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GRACE 1

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GRACE 1 is classified as:


NORAD ID: 27391
Int'l Code: 2002-012A
Perigee: 253.0 km
Apogee: 263.7 km
Inclination: 89.0 °
Period: 89.5 minutes
Semi major axis: 6629 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   18048.86296632 +.00310048 +44080-4 +36897-3 0  9992
2 27391 088.9670 284.0981 0008101 074.0207 352.7126 16.08405749896456
Source of the keplerian elements: AFSPC