CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1997-0298
DELTA 1 DEB
DELTA 1 DEB (NORAD 21274) re-entered Earth’s atmosphere on 17 October 1997.
Official dateFragment record
NORAD number
21274
International designator
1975-052K
Object type
Fragment
Country
United States
Parent launched
12 Jun 1975Vandenberg
Re-entered (UTC)
17 Oct 1997UTC calendar day
Time since launch
22 years, 4 months8,163 days
How it ended
Re-entered (natural decay)
Latitude range
80.7°N to 80.7°SFinal inclination 99.3°
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 99.3°, allowed a re-entry anywhere between 80.7°N and 80.7°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 17 Oct 1997
3 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1997-0298
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1997-0298
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.