CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1965-0318
PROTON 1
PROTON 1 (NORAD 1466) re-entered Earth’s atmosphere on 11 October 1965, after 2 months in orbit.
Official date
NORAD number
1466
International designator
1965-054A
Object type
Spacecraft
Country
USSR
Launched
16 Jul 1965Baikonur Cosmodrome
Re-entered (UTC)
11 Oct 1965UTC calendar day
Time in orbit
2 months87 days
How it ended
Re-entered (natural decay)
Latitude range
63.4°N to 63.4°SFinal inclination 63.4°
Mass
8,300 kg
Operator
OKB-1
Built by
OKB-1
Bus
Proton N-4
Programme
N-4
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 63.4°, allowed a re-entry anywhere between 63.4°N and 63.4°S.
Life in orbit
2 monthsPROTON 1’s lowest and highest points above Earth, week by week, from its tracking history.
Came down with PROTON 1
2 entriesFrom the same launch
1965-054
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1965-0318
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1965-0318
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.