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Flock · Earth Observation

FLOCK 1-20

DecayedEarth ObservationLEO

FLOCK 1-20 is a United States earth observation satellite, part of the Flock constellation, launched on November 20, 1998 into LEO. It has since re-entered the atmosphere.

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Launch

Launch date
November 20, 1998 at 06:40 AM UTC
Launch site
Baikonur Cosmodrome, Kazakhstan
Launched by
Proton-K →
Operator
Khrunichev State Research and Production Space Center
Mission
Zarya
Launch record
View full launch →

Orbit

Orbit regime
LEO
Apoapsis
176 km
Periapsis
163 km
Inclination
51.63°
Orbital period
87.89 min

Spacecraft

Operator
United States
Manufacturer
Planet Labs
Users
Commercial
Launch mass
5 kg
Design lifetime
3 years
Detailed purpose
Earth imaging

Identity

COSPAR (Int'l)
1998-067ED
NORAD catalog №
39560
Object type
Payload
Owner / operator
United StatesUnited States
Constellation
Flock
Radar cross-section
0.047 m²
Status
Decayed
Decay / reentry
October 9, 2014

End of mission

Last active / ended
October 9, 2014
Time in service
15.9 years
Fate
Reentered Earth's atmosphere and was destroyed.
Final status
Decayed