INFORMATOR 1
Satellite information INFORMATOR 1 - AMSAT-OSCAR 21, AO-21
| Spacetrack Directory Name | INFORMATOR 1 |
| Alternative name | AMSAT-OSCAR 21, AO-21 |
| Follow INFORMATOR 1 | INFORMATOR 1 Tracker |
| Pass predictions INFORMATOR 1 | Pass predictions INFORMATOR 1 |
| Orbit launches |
1991-01-29 (35 years ago)
|
| Days in orbit | 13018 |
| Country/organisation of origin | Commonwealth of Independent States (former USSR) (CIS) |
| Starting point | PLMSC (Plesetsk Missile and Space Complex, Russia) |
| Perigee | 954 km |
| Apogee | 1007 km |
| Orbit slope (inclination) | 82.94° |
| Laps per day | 14 |
| Height INFORMATOR 1 | 991.82 km |
Additional information INFORMATOR 1
INFORMATOR 1, 21087 is a payload satellite owned by MGON (CIS) in LEO that was launched on Tue, 29 Jan 1991 UTC via a KOSMOS 11K65M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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 INFORMATOR 1 Date of exalting 29.01.1991y. Average height of ISS INFORMATOR 1 hundred 991.82 km. Average velocity INFORMATOR 1 is 26486.49 km/h. Inclination INFORMATOR 1 satellite 82.94°.TLE
Average velocity INFORMATOR 1
Average inclination INFORMATOR 1
Mean right ascension of the ascending node (RAAN) INFORMATOR 1
Mean argument of perigee INFORMATOR 1
Mean semi-major axis of the orbit INFORMATOR 1
Mean orbital eccentricity INFORMATOR 1
Frequency INFORMATOR 1
In the table below we show the frequencies INFORMATOR 1.
| Downlink | Beacon | Mode |
|---|---|---|
| 145.800 MHz | Beacon: 145.822 | 1k2 BPSK CW |
| 145.822 MHz | Beacon: 145.822/145.948 | CW |
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