ESIAFI 1 (COMSTAR 4)

12309
Spacetrack Directory Number
1981-02-21
Orbit launches
35784.17 km
Average height
11069.26 km/h
Average velocity


Satellite information ESIAFI 1 (COMSTAR 4)

Spacetrack Directory Name ESIAFI 1 (COMSTAR 4)
Follow ESIAFI 1 (COMSTAR 4) ESIAFI 1 (COMSTAR 4) Tracker
Pass predictions ESIAFI 1 (COMSTAR 4) Pass predictions ESIAFI 1 (COMSTAR 4)
Orbit launches 1981-02-21 (45 years ago)
Days in orbit 16635
Country/organisation of origin USA (US)
Starting point AFETR (Kennedy Space Center/Cape Canaveral, USA)
Perigee 35761 km
Apogee 35805 km
Orbit slope (inclination) 8.55°
Laps per day 1
Height ESIAFI 1 (COMSTAR 4) 35784.17 km

Additional information ESIAFI 1 (COMSTAR 4)

ESIAFI 1 (COMSTAR 4), 12309 is a payload satellite owned by Comsat (US) in GEO that was launched on Sat, 21 Feb 1981 UTC via an ATLAS SLV-3D CENTAUR launch vehicle from the Air Force Eastern Test Range (AFETR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

satellite ESIAFI 1 (COMSTAR 4) Date of exalting 21.02.1981y. Average height of ISS ESIAFI 1 (COMSTAR 4) hundred 35784.17 km. Average velocity ESIAFI 1 (COMSTAR 4) is 11069.26 km/h. Inclination ESIAFI 1 (COMSTAR 4) satellite 8.57°.

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Average orbit height ESIAFI 1 (COMSTAR 4)

Average velocity ESIAFI 1 (COMSTAR 4)

Average inclination ESIAFI 1 (COMSTAR 4)

Mean right ascension of the ascending node (RAAN) ESIAFI 1 (COMSTAR 4)

Mean argument of perigee ESIAFI 1 (COMSTAR 4)

Mean semi-major axis of the orbit ESIAFI 1 (COMSTAR 4)

Mean orbital eccentricity ESIAFI 1 (COMSTAR 4)

Update time: 2026-09-08 19:40:20
Average height of ISS ESIAFI 1 (COMSTAR 4) is: 35784.17km
Average velocity ESIAFI 1 (COMSTAR 4) is: 11069.26km/h
Average orbit height ESIAFI 1 (COMSTAR 4) is: 8.57°
ESIAFI 1 (COMSTAR 4) a new group of Starlink satellites has been launched 1981-02-21
ESIAFI 1 (COMSTAR 4) is from 16635 days Days in orbit.