CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1989-0977
THOR ABLESTAR DEB
THOR ABLESTAR DEB (NORAD 18498) re-entered Earth’s atmosphere on 21 November 1989.
Official dateFragment record
NORAD number
18498
International designator
1961-015LT
Object type
Fragment
Country
United States
Parent launched
29 Jun 1961Cape Canaveral
Re-entered (UTC)
21 Nov 1989UTC calendar day
Time since launch
28 years, 4 months10,372 days
How it ended
Re-entered (natural decay)
Latitude range
66.2°N to 66.2°SFinal inclination 66.2°
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 66.2°, allowed a re-entry anywhere between 66.2°N and 66.2°S.
Life in orbit
THOR ABLESTAR DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 21 Nov 1989
3 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1989-0977
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1989-0977
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.