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IRIDIUM 103, 41918

Orbit data source: Space-Track

IRIDIUM 103, 41918 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 14 Jan 2017 UTC via an FALCON 9 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
41918, 2017-003B
Orbit
LEO
Last TLE update
13 hours ago
Origin
Manufacturer
OATK SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
2017-01-14 (8 years ago)
Launch vehicle
FALCON 9
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Trap Box + 2 Pan, 9.4 m
Radar Cross Section
14.423 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 13 hours ago
0 IRIDIUM 103
1 41918U 17003B   25183.61229633 -.00000005  00000-0 -89249-5 0  9999
2 41918  86.3966 234.4575 0002717  85.0527 275.0979 14.34217311443127
Epoch: 2025-07-02T14:41Z
TLE epoch observation values (Epoch: 2025-07-02T14:41:42.402Z)
Latitude
-0.00004°
Longitude
93.13992°
Altitude
780.547 km
Speed
7.464 km/s
True Right ascension
15h 37m 49s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
-35.39535°
Longitude
-84.53066°
Altitude
792.451 km
Speed
7.455 km/s
Apparent Right ascension
03h 30m 17s
Apparent Declination
-37° 26' 16"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
15:10:09
Azimuth
300.647° NW
Elevation
-85.356°
Doppler factor
1
Orbital elements
Apogee altitude
776.577 km
Perigee altitude
772.69 km
Semi-major axis
7,152.77 km
Eccentricity
0.00027
Inclination
86.3966°
RAAN
234.4575°
Arg. of periapsis
85.0527°
True anomaly
Unknown
Mean anomaly
275.0979°
Eccentric anomaly
Unknown
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.0000089249
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IRIDIUM 103 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.
9 mins2025-07-03 04:11:59.090Z191.377° SSW2025-07-03 04:16:59.090Z302.553° NW42.256°2025-07-03 04:20:59.090Z355.697° N
7 mins2025-07-03 14:43:59.090Z30.922° NE2025-07-03 14:46:59.090Z80.096° E26.519°2025-07-03 14:50:59.090Z137.68° SSE
7 mins2025-07-03 16:24:59.090Z320.555° NNW2025-07-03 16:27:59.090Z268.677° W25.659°2025-07-03 16:31:59.090Z218.256° SW
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