CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1966-0032
PROTON 2
PROTON 2 (NORAD 1701) re-entered Earth’s atmosphere on 6 February 1966, after 3 months in orbit.
Official date
NORAD number
1701
International designator
1965-087A
Object type
Spacecraft
Country
USSR
Launched
2 Nov 1965Baikonur Cosmodrome
Re-entered (UTC)
6 Feb 1966UTC calendar day
Time in orbit
3 months96 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
3 monthsFrom the same launch
1965-087Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1966-0032
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1966-0032
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.