CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0186
SL-7 R/B
SL-7 R/B (NORAD 10071) re-entered Earth’s atmosphere on 21 April 1978, after 10 months in orbit.
Official date
NORAD number
10071
International designator
1977-051B
Object type
Rocket body
Country
USSR
Launched
18 Jun 1977Plesetsk Cosmodrome
Re-entered (UTC)
21 Apr 1978UTC calendar day
Time in orbit
10 months307 days
How it ended
Re-entered (natural decay)
Latitude range
71.0°N to 71.0°SFinal inclination 71.0°
Mass
840 kg
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 71.0°, allowed a re-entry anywhere between 71.0°N and 71.0°S.
Life in orbit
10 monthsSL-7 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1977-051
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0186
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0186
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.