CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1988-0769

COSMOS 397 DEB

COSMOS 397 DEB (NORAD 18521) re-entered Earth’s atmosphere on 6 November 1988.

Official dateFragment record
NORAD number
18521
International designator
1971-015DF
Object type
Fragment
Country
USSR
Parent launched
25 Feb 1971Baikonur Cosmodrome
Re-entered (UTC)
6 Nov 1988UTC calendar day
Time since launch
17 years, 8 months6,464 days
How it ended
Re-entered (natural decay)
Latitude range
66.0°N to 66.0°SFinal inclination 66.0°

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 66.0°, allowed a re-entry anywhere between 66.0°N and 66.0°S.

Life in orbit

COSMOS 397 DEB’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 6 Nov 1988

7 entries
1988-0766SL-8 R/B1988-0767COSMOS 1275 DEB1988-0768ARIANE 1 DEB1988-0770MIR DEB1988-0771MIR DEB1988-0772MIR DEB1988-0773MIR DEB

From the same launch

1971-015
1971-0048SL-11 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0769
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