CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1970-0142
SL-4 R/B
SL-4 R/B (NORAD 4426) re-entered Earth’s atmosphere on 29 June 1970, after 3 days in orbit.
Official date
NORAD number
4426
International designator
1970-050B
Object type
Rocket body
Country
USSR
Launched
26 Jun 1970Baikonur Cosmodrome
Re-entered (UTC)
29 Jun 1970UTC calendar day
Time in orbit
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
51.7°N to 51.7°SFinal inclination 51.7°
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 51.7°, allowed a re-entry anywhere between 51.7°N and 51.7°S.
Life in orbit
3 daysFrom the same launch
1970-050
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1970-0142
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1970-0142
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.