CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0105
SL-4 R/B
SL-4 R/B (NORAD 25665) re-entered Earth’s atmosphere on 5 April 1999, after 3 days in orbit.
Official date
NORAD number
25665
International designator
1999-015B
Object type
Rocket body
Country
Russia
Launched
2 Apr 1999Baikonur Cosmodrome
Re-entered (UTC)
5 Apr 1999UTC calendar dayAlso recorded as 4 Apr 1999
Time in orbit
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
3 daysAlso ended on 5 Apr 1999
2 entriesFrom the same launch
1999-015
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0105
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0105
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.