CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0223
SL-6 R/B(1)
SL-6 R/B(1) (NORAD 18947) re-entered Earth’s atmosphere on 7 April 1988, after 27 days in orbit.
Official date
NORAD number
18947
International designator
1988-017B
Object type
Rocket body
Country
USSR
Launched
11 Mar 1988Baikonur Cosmodrome
Re-entered (UTC)
7 Apr 1988UTC calendar day
Time in orbit
27 days27 days
How it ended
Re-entered (natural decay)
Latitude range
63.0°N to 63.0°SFinal inclination 63.0°
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 63.0°, allowed a re-entry anywhere between 63.0°N and 63.0°S.
Life in orbit
27 daysSL-6 R/B(1)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 7 Apr 1988
4 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0223
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0223
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.