CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2025-0607
SL-4 R/B
SL-4 R/B (NORAD 62431) re-entered Earth’s atmosphere on 19 March 2025 over the western Pacific Ocean, after 2 months in orbit.
Official date
NORAD number
62431
International designator
2024-250B
Object type
Rocket body
Country
Russia
Launched
25 Dec 2024Baikonur Cosmodrome
Re-entered (UTC)
19 Mar 2025Recorded time 15:36 UTC
Time in orbit
2 months84 days
How it ended
Re-entered (natural decay)
Latitude range
82.8°N to 82.8°SFinal inclination 97.2°
Mass
2,710 kg
Where it came down
Recorded positionRecorded position 3.0°N, 142.0°E at 15:36 UTC. Its final orbit, inclined at 97.2°, allowed a re-entry anywhere between 82.8°N and 82.8°S.
Life in orbit
2 monthsSL-4 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 19 Mar 2025
3 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-0607
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2025-0607
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.