IRIDIUM 45, 25104
Orbit data source: Space-Track
IRIDIUM 45, 25104 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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25104 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: 5 hours ago
TLE from 5 hours ago
0 IRIDIUM 45
1 25104U 97082A 26140.30088559 .00025381 00000-0 55087-3 0 9996
2 25104 86.3520 241.9124 0083350 132.0384 228.8005 15.40511709503614Epoch: 2026-05-20T07:13Z
TLE epoch observation values (Epoch: 2026-05-20T07:13:16.514Z)
Latitude
0.00001°
Longitude
-104.36882°
Altitude
485.531 km
Speed
7.601 km/s
True Right ascension
16h 07m 38s
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
20:49:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
498.256 km
Perigee altitude
384.574 km
Semi-major axis
6,819.552 km
Eccentricity
0.00834
Inclination
86.352°
RAAN
241.9124°
Arg. of periapsis
132.0384°
True anomaly
228.08677°
Mean anomaly
228.8005°
Eccentric anomaly
228.44314°
Mean motion
3.85398 °/min
Orbital period
93.41 mins
BSTAR
0.00055087
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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 45 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-20 18:41:31.784Z | 12.633° NNE | 2026-05-20 18:44:31.784Z | 111.563° ESE | 33.389° | 2026-05-20 18:46:31.784Z | 156.67° SSE |
| 4 mins | 2026-05-21 06:45:31.784Z | 121.913° SE | 2026-05-21 06:46:31.784Z | 95.269° ESE | 23.285° | 2026-05-21 06:49:31.784Z | 29.479° NE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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