CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1986-0509

COSMOS 1737

COSMOS 1737 (NORAD 16648) was deorbited in a controlled re-entry on 3 December 1986, after 8 months in orbit.

Controlled re-entryOfficial date
NORAD number
16648
International designator
1986-025A
Object type
Spacecraft
Country
USSR
Launched
25 Mar 1986Baikonur Cosmodrome
Re-entered (UTC)
3 Dec 1986UTC calendar day
Time in orbit
8 months253 days
How it ended
Deorbited (controlled re-entry)
Latitude range
73.4°N to 73.4°SFinal inclination 73.4°
Mass
3,300 kg
Operator
Soviet Navy
Built by
Arsenal / Kometa
Bus
US-P
Programme
US-PM1

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 73.4°, allowed a re-entry anywhere between 73.4°N and 73.4°S.

Life in orbit

8 months

COSMOS 1737’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 3 Dec 1986

1 entry
1986-0508SALYUT 7 DEB

From the same launch

1986-025
1986-0137SL-11 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0509
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