CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0136
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 10277) re-entered Earth’s atmosphere on 25 March 1978, after 8 months in orbit.
Official date
NORAD number
10277
International designator
1977-071E
Object type
Rocket body
Country
USSR
Launched
23 Jul 1977Baikonur Cosmodrome
Re-entered (UTC)
25 Mar 1978UTC calendar day
Time in orbit
8 months245 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
120 kg
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
8 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 25 Mar 1978
3 entriesFrom the same launch
1977-071Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0136
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0136
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.