CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0153
SL-4 R/B
SL-4 R/B (NORAD 10784) re-entered Earth’s atmosphere on 6 April 1978, after 2 days in orbit.
Official date
NORAD number
10784
International designator
1978-036B
Object type
Rocket body
Country
USSR
Launched
4 Apr 1978Baikonur Cosmodrome
Re-entered (UTC)
6 Apr 1978UTC calendar day
Time in orbit
2 days2 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
2,350 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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
2 daysFrom the same launch
1978-036
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0153
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0153
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.