CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1992-0018

MICROSAT 1

MICROSAT 1 (NORAD 21580) re-entered Earth’s atmosphere on 23 January 1992, after 6 months in orbit.

Official date
NORAD number
21580
International designator
1991-051A
Object type
Spacecraft
Country
United States
Launched
17 Jul 1991Vandenberg
Re-entered (UTC)
23 Jan 1992UTC calendar day
Time in orbit
6 months190 days
How it ended
Re-entered (natural decay)
Latitude range
82.0°N to 82.0°SFinal inclination 82.0°
Mass
21 kg
Operator
DARPA
Built by
DSI
Bus
Picostar
Programme
DARPA Light

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 82.0°, allowed a re-entry anywhere between 82.0°N and 82.0°S.

Life in orbit

6 months

MICROSAT 1’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 23 Jan 1992

4 entries
1992-0019MICROSAT 21992-0020MICROSAT 41992-0021MICROSAT 71992-0017ARIANE 1 DEB

From the same launch

1991-051
1991-0491PEGASUS R/B1992-0019MICROSAT 21992-0020MICROSAT 41992-0021MICROSAT 71992-0022MICROSAT 31992-0023MICROSAT 51992-0026MICROSAT 6
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1992-0018
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