CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1998-0371

SL-12 R/B(AUX MOTOR)

SL-12 R/B(AUX MOTOR) (NORAD 25499) re-entered Earth’s atmosphere on 20 December 1998, after 7 months in orbit.

Official date
NORAD number
25499
International designator
1998-025E
Object type
Rocket body
Country
Russia
Launched
29 Apr 1998Baikonur Cosmodrome
Re-entered (UTC)
20 Dec 1998UTC calendar dayAlso recorded as 19 Dec 1998
Time in orbit
7 months235 days
How it ended
Re-entered (natural decay)
Latitude range
47.2°N to 47.2°SFinal inclination 47.2°
Mass
120 kg

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 47.2°, allowed a re-entry anywhere between 47.2°N and 47.2°S.

Life in orbit

7 months

SL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 20 Dec 1998

1 entry
1998-0370COBE DEB

From the same launch

1998-025
1998-0114SL-12 R/B(1)1999-0340SL-12 R/B(AUX MOTOR)
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1998-0371
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.