CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0505
PROGNOZ 3
PROGNOZ 3 (NORAD 6364) re-entered Earth’s atmosphere on 10 December 1977, after 4 years, 9 months in orbit.
Official date
NORAD number
6364
International designator
1973-009A
Object type
Spacecraft
Country
USSR
Launched
15 Feb 1973Baikonur Cosmodrome
Re-entered (UTC)
10 Dec 1977UTC calendar day
Time in orbit
4 years, 9 months1,759 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
845 kg
Operator
IKI / Babakin
Built by
Lavochkin
Bus
SO-M
Programme
SO-M
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
4 years, 9 monthsFrom the same launch
1973-009
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0505
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0505
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.