CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0017
OFO 1 DEB
OFO 1 DEB (NORAD 4747) re-entered Earth’s atmosphere on 25 January 1971.
Official dateFragment record
NORAD number
4747
International designator
1970-094D
Object type
Fragment
Country
United States
Parent launched
9 Nov 1970Wallops
Re-entered (UTC)
25 Jan 1971UTC calendar day
Time since launch
2 months77 days
How it ended
Re-entered (natural decay)
Latitude range
37.4°N to 37.4°SFinal inclination 37.4°
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 37.4°, allowed a re-entry anywhere between 37.4°N and 37.4°S.
Life in orbit
OFO 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 25 Jan 1971
1 entryFrom the same launch
1970-094Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0017
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0017
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.