Payload
SPUTNIK JR
DecayedPayloadLEO
Explorer 1 was the first satellite launched by the United States and was part of the U.S. participation in the International Geophysical Year (IGY). The 1958 mission followed the first two satellites, both launched by the Soviet Union during the previous year, Sputnik 1 and Sputnik 2. This began a Space Race during the Cold War between the two nations.
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Launch
- Launch date
- October 5, 1997 at 03:08 PM UTC
- Launch site
- Baikonur Cosmodrome, Kazakhstan
- Launched by
- Soyuz U →
- Operator
- Russian Federal Space Agency (ROSCOSMOS)
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 135 km
- Periapsis
- 131 km
- Inclination
- 51.62°
- Orbital period
- 87.14 min
Spacecraft
- Operator
- Russia (CIS / former USSR)
- Launch mass
- 3 kg
Identity
- COSPAR (Int'l)
- 1997-058C
- NORAD catalog №
- 24958
- Object type
- Payload
- Owner / operator
Russia (CIS / former USSR)- Radar cross-section
- 0.102 m²
- Status
- Decayed
- Decay / reentry
- May 21, 1998
End of mission
- Last active / ended
- May 21, 1998
- Time in service
- 228 days
- Fate
- Reentered Earth's atmosphere and was destroyed.
- Final status
- Decayed
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