CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1961-0004

SL-6 R/B

SL-6 R/B (NORAD 76) re-entered Earth’s atmosphere on 18 February 1961, after 6 days in orbit.

Official date
NORAD number
76
International designator
1961-003B
Object type
Rocket body
Country
USSR
Launched
12 Feb 1961Baikonur Cosmodrome
Re-entered (UTC)
18 Feb 1961UTC calendar day
Time in orbit
6 days6 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
Mass
2,000 kg

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.

Life in orbit

6 days

Also ended on 18 Feb 1961

1 entry
1961-0005SL-6 DEB

From the same launch

1961-003
1961-0006SPUTNIK 8
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1961-0004
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.