CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1983-0036
DYNAMICS EXPLORER 2
DYNAMICS EXPLORER 2 (NORAD 12625) re-entered Earth’s atmosphere on 19 February 1983, after 1 year, 6 months in orbit.
Official date
NORAD number
12625
International designator
1981-070B
Object type
Spacecraft
Country
United States
Launched
3 Aug 1981Vandenberg
Re-entered (UTC)
19 Feb 1983UTC calendar day
Time in orbit
1 year, 6 months565 days
How it ended
Re-entered (natural decay)
Latitude range
89.9°N to 89.9°SFinal inclination 89.9°
Mass
420 kg
Operator
GSFC
Built by
RCA/East Windsor
Bus
DE
Programme
DeltaEx
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 89.9°, allowed a re-entry anywhere between 89.9°N and 89.9°S.
Life in orbit
1 year, 6 monthsDYNAMICS EXPLORER 2’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1981-070
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1983-0036
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1983-0036
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.