CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0265
SL-4 R/B
SL-4 R/B (NORAD 18163) re-entered Earth’s atmosphere on 16 July 1987, after 8 days in orbit.
Official date
NORAD number
18163
International designator
1987-058B
Object type
Rocket body
Country
USSR
Launched
8 Jul 1987Baikonur Cosmodrome
Re-entered (UTC)
16 Jul 1987UTC calendar day
Time in orbit
8 days8 days
How it ended
Re-entered (natural decay)
Latitude range
64.8°N to 64.8°SFinal inclination 64.8°
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 64.8°, allowed a re-entry anywhere between 64.8°N and 64.8°S.
Life in orbit
8 daysAlso ended on 16 Jul 1987
1 entryFrom the same launch
1987-058Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0265
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0265
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.