CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0017
COSMOS 631 DEB *
COSMOS 631 DEB * (NORAD 7257) re-entered Earth’s atmosphere on 11 January 1978.
Official dateFragment record
NORAD number
7257
International designator
1974-005E
Object type
Fragment
Country
USSR
Parent launched
6 Feb 1974Plesetsk Cosmodrome
Re-entered (UTC)
11 Jan 1978UTC calendar day
Time since launch
3 years, 11 months1,435 days
How it ended
Re-entered (natural decay)
Latitude range
74.1°N to 74.1°SFinal inclination 74.1°
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 74.1°, allowed a re-entry anywhere between 74.1°N and 74.1°S.
Life in orbit
COSMOS 631 DEB *’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Jan 1978
4 entriesFrom the same launch
1974-005Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0017
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0017
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.