CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0115
SL-4 R/B(2)
SL-4 R/B(2) (NORAD 25681) was deorbited in a controlled re-entry on 16 April 1999, after 1 day in orbit.
Controlled re-entryOfficial date
NORAD number
25681
International designator
1999-019F
Object type
Rocket body
Country
Russia
Launched
15 Apr 1999Baikonur Cosmodrome
Re-entered (UTC)
16 Apr 1999UTC calendar day
Time in orbit
1 day1 days
How it ended
Deorbited (controlled re-entry)
Latitude range
51.9°N to 51.9°SFinal inclination 51.9°
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 51.9°, allowed a re-entry anywhere between 51.9°N and 51.9°S.
Life in orbit
1 dayAlso ended on 16 Apr 1999
2 entriesFrom the same launch
1999-019
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0115
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0115
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.