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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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Identifier
25104, 1997-082A
Orbit
LEO
Last TLE update
23 hours ago
Origin
Manufacturer
MOTO/LMMS
Mission
Non-operational Commercial Communications
Bus & Motor
LM700, Unknown motor
Mass
662 kg wet, 556 kg dry
Launch date (UTC)
1997-12-20 (28 years ago)
Launch vehicle
DELTA 7920-10C
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan, 8.37 m
Radar Cross Section
5.666 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 23 hours ago
0 IRIDIUM 45
1 25104U 97082A   25189.61203441  .00008943  00000-0  31761-3 0  9999
2 25104  86.3568  37.4822 0113132 250.9444 107.9520 15.22877552455300
Epoch: 2025-07-08T14:41Z
TLE epoch observation values (Epoch: 2025-07-08T14:41:19.773Z)
Latitude
-0.00003°
Longitude
-109.65471°
Altitude
525.113 km
Speed
7.587 km/s
True Right ascension
02h 29m 55s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-69.23377°
Longitude
-119.74024°
Altitude
466.18 km
Speed
7.664 km/s
Apparent Right ascension
14h 36m 00s
Apparent Declination
-76° 35' 32"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
02:13:03
Azimuth
182.219° SSW
Elevation
-53.239°
Doppler factor
1
Orbital elements
Apogee altitude
571.753 km
Perigee altitude
416.261 km
Semi-major axis
6,872.144 km
Eccentricity
0.01131
Inclination
86.3568°
RAAN
37.4822°
Arg. of periapsis
250.9444°
True anomaly
Unknown
Mean anomaly
107.952°
Eccentric anomaly
Unknown
Mean motion
3.80982 °/min
Orbital period
94.49 mins
BSTAR
0.00031761
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IRIDIUM 45 Visibility forecast

Observer location: undefined°, undefined°

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 mins2025-07-09 14:27:29.058Z182.878° SSW2025-07-09 14:31:29.058Z333.683° NNW44.664°2025-07-09 14:34:29.058Z0.985° NNE
5 mins2025-07-10 01:58:29.058Z0.403° NNE2025-07-10 02:00:29.058Z122.07° SE44.849°2025-07-10 02:03:29.058Z176.518° S
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