CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1970-0183
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 3515) re-entered Earth’s atmosphere on 2 September 1970, after 2 years, 1 month in orbit.
Official date
NORAD number
3515
International designator
1968-057F
Object type
Rocket body
Country
USSR
Launched
5 Jul 1968Baikonur Cosmodrome
Re-entered (UTC)
2 Sep 1970UTC calendar day
Time in orbit
2 years, 1 month789 days
How it ended
Re-entered (natural decay)
Latitude range
65.1°N to 65.1°SFinal inclination 65.1°
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 65.1°, allowed a re-entry anywhere between 65.1°N and 65.1°S.
Life in orbit
2 years, 1 monthSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 2 Sep 1970
1 entryFrom the same launch
1968-057
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1970-0183
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1970-0183
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.