CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0311
SL-4 R/B(2)
SL-4 R/B(2) (NORAD 25912) was deorbited in a controlled re-entry on 24 September 1999, after 2 days in orbit.
Controlled re-entryOfficial date
NORAD number
25912
International designator
1999-049F
Object type
Rocket body
Country
Russia
Launched
22 Sep 1999Baikonur Cosmodrome
Re-entered (UTC)
24 Sep 1999UTC calendar dayAlso recorded as 23 Sep 1999
Time in orbit
2 days2 days
How it ended
Deorbited (controlled re-entry)
Latitude range
52.0°N to 52.0°SFinal inclination 52.0°
Mass
3,164 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 52.0°, allowed a re-entry anywhere between 52.0°N and 52.0°S.
Life in orbit
2 daysAlso ended on 24 Sep 1999
1 entryFrom the same launch
1999-049
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0311
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0311
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.