CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
2018-0096

IRIDIUM 25

IRIDIUM 25 (NORAD 24904) re-entered Earth’s atmosphere on 14 May 2018 over the South Pacific Ocean, after 20 years, 8 months in orbit.

Official date
NORAD number
24904
International designator
1997-043B
Object type
Spacecraft
Country
United States
Launched
21 Aug 1997Vandenberg
Re-entered (UTC)
14 May 2018Recorded time 10:28 UTC
Time in orbit
20 years, 8 months7,571 days
How it ended
Re-entered (natural decay)
Latitude range
86.4°N to 86.4°SFinal inclination 86.4°
Mass
662 kg
Operator
Iridium
Built by
Motorola / LMMS/Sunnyvale
Bus
LM700
Programme
Iridium

Where it came down

Recorded position

Recorded position 9.0°S, 93.0°W at 10:28 UTC. Its final orbit, inclined at 86.4°, allowed a re-entry anywhere between 86.4°N and 86.4°S.

Life in orbit

20 years, 8 months

IRIDIUM 25’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 14 May 2018

1 entry
2018-0097IRIDIUM 72

From the same launch

1997-043
1997-0296DELTA 2 R/B2018-0061IRIDIUM 232019-0137IRIDIUM 46In orbitIridium SV026In orbitIridium SV024In orbitIridium SV022
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Entered in the Orbital Register™, founding volume, September 2026.
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