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ESIAFI 1 (COMSTAR 4)

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ESIAFI 1 (COMSTAR 4) is classified as:


NORAD ID: 12309
Int'l Code: 1981-018A
Perigee: 35,762.6 km
Apogee: 35,824.8 km
Inclination: 13.4 °
Period: 1,436.1 minutes
Semi major axis: 42164 km
RCS: 22.0984 m2 (large)
Launch date: February 21, 1981
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

Telephone, television and data services; projected end of life 2005.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 12309U 81018A   19110.12575265 -.00000178  00000-0  00000+0 0  9994
2 12309  13.3866 333.9952 0007378  15.2916 344.6612  1.00271862141231
Source of the keplerian elements: AFSPC