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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
25104 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
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, 4.2 m
Radar Cross Section
5.666 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 IRIDIUM 45
1 25104U 97082A 25261.10519887 .00016787 00000-0 55173-3 0 9996
2 25104 86.3620 2.6636 0108082 343.5360 16.2383 15.25842411466197Epoch: 2025-09-18T02:31Z
TLE epoch observation values (Epoch: 2025-09-18T02:31:29.182Z)
Latitude
-0.00008°
Longitude
-32.47957°
Altitude
420.231 km
Speed
7.699 km/s
True Right ascension
00h 10m 39s
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
11:05:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
559.273 km
Perigee altitude
410.914 km
Semi-major axis
6,863.23 km
Eccentricity
0.01081
Inclination
86.362°
RAAN
2.6636°
Arg. of periapsis
343.536°
True anomaly
16.58918°
Mean anomaly
16.2383°
Eccentric anomaly
16.41328°
Mean motion
3.81725 °/min
Orbital period
94.31 mins
BSTAR
0.00055173
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #82 in the year 1997 (1997-12-20 UTC)
Did you know?
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
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-18 18:49:23.555Z | 7.798° NNE | 2025-09-18 18:52:23.555Z | 77.281° E | 41.021° | 2025-09-18 18:56:23.555Z | 166.841° S |
| 4 mins | 2025-09-19 07:00:23.555Z | 132.198° SE | 2025-09-19 07:01:23.555Z | 98.83° ESE | 30.202° | 2025-09-19 07:04:23.555Z | 22.812° 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 ascending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
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 ascending order |
|---|