CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0385
SL-7 R/B
SL-7 R/B (NORAD 6428) re-entered Earth’s atmosphere on 7 August 1973, after 3 months in orbit.
Official date
NORAD number
6428
International designator
1973-020B
Object type
Rocket body
Country
USSR
Launched
12 Apr 1973Plesetsk Cosmodrome
Re-entered (UTC)
7 Aug 1973UTC calendar day
Time in orbit
3 months117 days
How it ended
Re-entered (natural decay)
Latitude range
70.9°N to 70.9°SFinal inclination 70.9°
Mass
840 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 70.9°, allowed a re-entry anywhere between 70.9°N and 70.9°S.
Life in orbit
3 monthsSL-7 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 7 Aug 1973
4 entriesFrom the same launch
1973-020
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0385
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0385
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.