CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1968-0224
MOLNIYA 1-4
MOLNIYA 1-4 (NORAD 2501) re-entered Earth’s atmosphere on 11 September 1968, after 1 year, 10 months in orbit.
Official date
NORAD number
2501
International designator
1966-092A
Object type
Spacecraft
Country
USSR
Launched
20 Oct 1966Baikonur Cosmodrome
Re-entered (UTC)
11 Sep 1968UTC calendar day
Time in orbit
1 year, 10 months692 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
1,650 kg
Operator
OKB-10
Built by
OKB-10
Bus
Molniya-1
Programme
Molniya-1
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
1 year, 10 monthsMOLNIYA 1-4’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Sep 1968
1 entryFrom the same launch
1966-092
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1968-0224
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1968-0224
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.