CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0054
OV1-20/OV1-21 DEB
OV1-20/OV1-21 DEB (NORAD 5399) re-entered Earth’s atmosphere on 19 February 1999.
Official dateFragment record
NORAD number
5399
International designator
1971-067L
Object type
Fragment
Country
United States
Parent launched
7 Aug 1971Vandenberg
Re-entered (UTC)
19 Feb 1999UTC calendar day
Time since launch
27 years, 6 months10,058 days
How it ended
Re-entered (natural decay)
Latitude range
87.6°N to 87.6°SFinal inclination 87.6°
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 87.6°, allowed a re-entry anywhere between 87.6°N and 87.6°S.
Life in orbit
OV1-20/OV1-21 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 19 Feb 1999
1 entryFrom the same launch
1971-067
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0054
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0054
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.