CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0328
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 3222) re-entered Earth’s atmosphere on 18 June 1973, after 7 years, 1 month in orbit.
Official date
NORAD number
3222
International designator
1966-035F
Object type
Rocket body
Country
USSR
Launched
25 Apr 1966Baikonur Cosmodrome
Re-entered (UTC)
18 Jun 1973UTC calendar day
Time in orbit
7 years, 1 month2,611 days
How it ended
Re-entered (natural decay)
Latitude range
64.2°N to 64.2°SFinal inclination 64.2°
Mass
4,500 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 64.2°, allowed a re-entry anywhere between 64.2°N and 64.2°S.
Life in orbit
7 years, 1 monthSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Jun 1973
2 entriesFrom the same launch
1966-035
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0328
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0328
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.