CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2018-0188
IRIDIUM 10
IRIDIUM 10 (NORAD 24839) re-entered Earth’s atmosphere on 6 October 2018 over North America, after 21 years, 3 months in orbit.
Official date
NORAD number
24839
International designator
1997-030D
Object type
Spacecraft
Country
United States
Launched
18 Jun 1997Baikonur Cosmodrome
Re-entered (UTC)
6 Oct 2018Recorded time 03:09 UTC
Time in orbit
21 years, 3 months7,780 days
How it ended
Re-entered (natural decay)
Latitude range
86.4°N to 86.4°SFinal inclination 86.4°
Mass
662 kg
Operator
Built by
Motorola / LMMS/Sunnyvale
Bus
LM700
Programme
Iridium
Where it came down
Recorded positionRecorded position 75.6°N, 107.4°W at 03:09 UTC. Its final orbit, inclined at 86.4°, allowed a re-entry anywhere between 86.4°N and 86.4°S.
Life in orbit
21 years, 3 monthsIRIDIUM 10’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 6 Oct 2018
1 entryFrom the same launch
1997-030Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2018-0188
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2018-0188
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.