CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1978-0248

SL-12 R/B(AUX MOTOR)

SL-12 R/B(AUX MOTOR) (NORAD 10276) re-entered Earth’s atmosphere on 5 June 1978, after 10 months in orbit.

Official date
NORAD number
10276
International designator
1977-071D
Object type
Rocket body
Country
USSR
Launched
23 Jul 1977Baikonur Cosmodrome
Re-entered (UTC)
5 Jun 1978UTC calendar day
Time in orbit
10 months317 days
How it ended
Re-entered (natural decay)
Latitude range
46.4°N to 46.4°SFinal inclination 46.4°
Mass
120 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 46.4°, allowed a re-entry anywhere between 46.4°N and 46.4°S.

Life in orbit

10 months

SL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 5 Jun 1978

3 entries
1978-0250COSMOS 10101978-0249SL-11 R/B1978-0247COSMOS 777 DEB

From the same launch

1977-071
1977-0305SL-12 R/B(1)1978-0136SL-12 R/B(AUX MOTOR)
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0248
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.