CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0340
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 25500) re-entered Earth’s atmosphere on 23 October 1999, after 1 year, 5 months in orbit.
Official date
NORAD number
25500
International designator
1998-025F
Object type
Rocket body
Country
Russia
Launched
29 Apr 1998Baikonur Cosmodrome
Re-entered (UTC)
23 Oct 1999UTC calendar day
Time in orbit
1 year, 5 months542 days
How it ended
Re-entered (natural decay)
Latitude range
47.0°N to 47.0°SFinal inclination 47.0°
Mass
120 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 47.0°, allowed a re-entry anywhere between 47.0°N and 47.0°S.
Life in orbit
1 year, 5 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Oct 1999
4 entriesFrom the same launch
1998-025Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0340
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0340
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.