CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0069
SL-4 R/B
SL-4 R/B (NORAD 10673) re-entered Earth’s atmosphere on 17 February 1978, after 3 days in orbit.
Official date
NORAD number
10673
International designator
1978-017B
Object type
Rocket body
Country
USSR
Launched
14 Feb 1978Baikonur Cosmodrome
Re-entered (UTC)
17 Feb 1978UTC calendar day
Time in orbit
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
65.1°N to 65.1°SFinal inclination 65.1°
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 65.1°, allowed a re-entry anywhere between 65.1°N and 65.1°S.
Life in orbit
3 daysAlso ended on 17 Feb 1978
2 entriesFrom the same launch
1978-017
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0069
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0069
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.