IRIDIUM 24, 25105
Orbit data source: Space-Track
IRIDIUM 24, 25105 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 20 Dec 1997 UTC via a DELTA 7920-10C launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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25105 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
MOTO/LMMS
Mission
Non-operational Commercial Communications
Bus & Motor
LM700, Unknown motor
Mass
662 kg wet, 556 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 4.0 m
Radar Cross Section
5.666 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 IRIDIUM 24
1 25105U 97082B 26139.93132500 .00000278 00000-0 77740-4 0 9999
2 25105 86.3874 297.4282 0012880 52.4132 307.8236 14.42501212491758Epoch: 2026-05-19T22:21Z
TLE epoch observation values (Epoch: 2026-05-19T22:21:06.480Z)
Latitude
-0.00004°
Longitude
84.55305°
Altitude
747.685 km
Speed
7.484 km/s
True Right ascension
19h 49m 42s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
20:49:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
756.377 km
Perigee altitude
738.022 km
Semi-major axis
7,125.336 km
Eccentricity
0.00129
Inclination
86.3874°
RAAN
297.4282°
Arg. of periapsis
52.4132°
True anomaly
307.7069°
Mean anomaly
307.8236°
Eccentric anomaly
307.76526°
Mean motion
3.60857 °/min
Orbital period
99.76 mins
BSTAR
0.00007774
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Other satellites on launch #82 in the year 1997 (1997-12-20 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.IRIDIUM 24 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-05-20 22:13:44.418Z | 9.087° NNE | 2026-05-20 22:17:44.418Z | 63.414° ENE | 37.514° | 2026-05-20 22:22:44.418Z | 159.85° S |
| 4 mins | 2026-05-20 23:56:44.418Z | 296.533° NW | 2026-05-20 23:57:44.418Z | 282.673° WNW | 15.548° | 2026-05-21 00:00:44.418Z | 245.105° WSW |
| 7 mins | 2026-05-21 11:06:44.418Z | 188.754° SSW | 2026-05-21 11:09:44.418Z | 271.546° WNW | 44.385° | 2026-05-21 11:13:44.418Z | 358.556° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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