Human Spaceflight
PROGRESS 21
DecayedHuman SpaceflightLEO
Progress 21 was a Soviet uncrewed Progress cargo spacecraft, which was launched in May 1984 to resupply the Salyut 7 space station.
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Launch
- Launch date
- May 7, 1984 at 10:47 PM UTC
- Launch site
- Baikonur Cosmodrome, Kazakhstan
- Launched by
- Soyuz U →
- Operator
- Soviet Space Program
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 278 km
- Periapsis
- 243 km
- Inclination
- 51.64°
- Orbital period
- 89.72 min
Spacecraft
- Operator
- Russia (CIS / former USSR)
- Launch mass
- 6,957.38 kg
Identity
- COSPAR (Int'l)
- 1984-042A
- NORAD catalog №
- 14961
- Object type
- Payload
- Owner / operator
Russia (CIS / former USSR)- Status
- Decayed
- Decay / reentry
- May 26, 1984
End of mission
- Last active / ended
- May 26, 1984
- Time in service
- 19 days
- Fate
- Reentered Earth's atmosphere and was destroyed.
- Final status
- Decayed
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