CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0550
THORAD AGENA D DEB
THORAD AGENA D DEB (NORAD 4189) re-entered Earth’s atmosphere on 16 December 1980.
Official dateFragment record
NORAD number
4189
International designator
1969-082BC
Object type
Fragment
Country
United States
Parent launched
30 Sep 1969Vandenberg
Re-entered (UTC)
16 Dec 1980UTC calendar dayAlso recorded as 15 Dec 1980
Time since launch
11 years, 2 months4,095 days
How it ended
Re-entered (natural decay)
Latitude range
69.8°N to 69.8°SFinal inclination 69.8°
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 69.8°, allowed a re-entry anywhere between 69.8°N and 69.8°S.
Life in orbit
THORAD AGENA D DEB’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1969-082Part of a fragment group
207 on record
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0550
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0550
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.