CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1998-0263
OV1-20/OV1-21 DEB
OV1-20/OV1-21 DEB (NORAD 5400) re-entered Earth’s atmosphere on 15 September 1998.
Official dateFragment record
NORAD number
5400
International designator
1971-067M
Object type
Fragment
Country
United States
Parent launched
7 Aug 1971Vandenberg
Re-entered (UTC)
15 Sep 1998UTC calendar day
Time since launch
27 years, 1 month9,901 days
How it ended
Re-entered (natural decay)
Latitude range
87.5°N to 87.5°SFinal inclination 87.5°
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 87.5°, allowed a re-entry anywhere between 87.5°N and 87.5°S.
Life in orbit
OV1-20/OV1-21 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1971-067
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1998-0263
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1998-0263
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.