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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: 35,772.3 km
Apogee: 35,807.8 km
Inclination: 13.7 °
Period: 1,435.9 minutes
Semi major axis: 42161 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   18230.82431855 -.00000100 +00000-0 +00000-0 0  9995
2 12309 013.7009 336.5866 0004216 348.7782 011.2568 01.00284988138775
Source of the keplerian elements: AFSPC