CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1977-0324

SL-4 R/B

SL-4 R/B (NORAD 10165) re-entered Earth’s atmosphere on 5 August 1977, after 9 days in orbit.

Official date
NORAD number
10165
International designator
1977-072B
Object type
Rocket body
Country
USSR
Launched
27 Jul 1977Plesetsk Cosmodrome
Re-entered (UTC)
5 Aug 1977UTC calendar day
Time in orbit
9 days9 days
How it ended
Re-entered (natural decay)
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
Mass
2,350 kg

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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.

Life in orbit

9 days

Also ended on 5 Aug 1977

1 entry

From the same launch

1977-072
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0324
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.