CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1989-1061

OPS 7353

OPS 7353 (NORAD 1273) re-entered Earth’s atmosphere on 31 December 1989, after 24 years, 9 months in orbit.

Official date
NORAD number
1273
International designator
1965-021A
Object type
Spacecraft
Country
United States
Launched
18 Mar 1965Vandenberg
Re-entered (UTC)
31 Dec 1989UTC calendar day
Time in orbit
24 years, 9 months9,054 days
How it ended
Re-entered (natural decay)
Latitude range
81.0°N to 81.0°SFinal inclination 99.0°
Mass
50 kg
Operator
NRO / SAFSP
Built by
RCA/East Windsor
Bus
P35
Programme
P35

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 99.0°, allowed a re-entry anywhere between 81.0°N and 81.0°S.

Life in orbit

24 years, 9 months

OPS 7353’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 31 Dec 1989

5 entries
1989-1064Kosmos-1985 SS 281989-1065Kosmos-1985 SS 291989-1066Kosmos-1985 SS 301989-1062ARIANE 1 DEB1989-1063COSMOS 1375 DEB

From the same launch

1965-021
1979-0417THOR ALTAIR R/B
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Entered in the Orbital Register™, founding volume, September 2026.
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