CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0272
SL-4 R/B
SL-4 R/B (NORAD 18156) re-entered Earth’s atmosphere on 18 July 1987, after 14 days in orbit.
Official date
NORAD number
18156
International designator
1987-056B
Object type
Rocket body
Country
USSR
Launched
4 Jul 1987Plesetsk Cosmodrome
Re-entered (UTC)
18 Jul 1987UTC calendar day
Time in orbit
14 days14 days
How it ended
Re-entered (natural decay)
Latitude range
72.9°N to 72.9°SFinal inclination 72.9°
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 72.9°, allowed a re-entry anywhere between 72.9°N and 72.9°S.
Life in orbit
14 daysAlso ended on 18 Jul 1987
2 entriesFrom the same launch
1987-056
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0272
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0272
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.