CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1987-0027

COSMOS 1770

COSMOS 1770 (NORAD 16897) was deorbited in a controlled re-entry on 2 February 1987, after 5 months in orbit.

Controlled re-entryOfficial date
NORAD number
16897
International designator
1986-060A
Object type
Spacecraft
Country
USSR
Launched
6 Aug 1986Baikonur Cosmodrome
Re-entered (UTC)
2 Feb 1987UTC calendar day
Time in orbit
5 months180 days
How it ended
Deorbited (controlled re-entry)
Latitude range
64.7°N to 64.7°SFinal inclination 64.7°
Mass
3,390 kg
Operator
UNKS
Built by
TsSKB
Bus
Yantar'-4KS1
Programme
Terilen

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 64.7°, allowed a re-entry anywhere between 64.7°N and 64.7°S.

Life in orbit

5 months

COSMOS 1770’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 2 Feb 1987

3 entries
1987-0028SL-6 R/B(1)1987-0029SL-12 R/B(1)1987-0030SL-11 DEB

From the same launch

1986-060
1986-0327SL-4 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0027
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