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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41918 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
OATK SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Trap Box + 2 Pan, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 103
1 41918U 17003B 25302.42807764 .00000359 00000-0 12124-3 0 9994
2 41918 86.4028 184.8487 0002370 74.2137 285.9320 14.34216921460157Epoch: 2025-10-29T10:16Z
TLE epoch observation values (Epoch: 2025-10-29T10:16:25.908Z)
Latitude
-0°
Longitude
-7.26061°
Altitude
780.256 km
Speed
7.464 km/s
True Right ascension
12h 19m 23s
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
16:01:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.329 km
Perigee altitude
772.939 km
Semi-major axis
7,152.771 km
Eccentricity
0.00024
Inclination
86.4028°
RAAN
184.8487°
Arg. of periapsis
74.2137°
True anomaly
285.90588°
Mean anomaly
285.932°
Eccentric anomaly
285.91894°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00012124
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Other satellites on launch #3 in the year 2017 (2017-01-14 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 103 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-10-30 03:35:24.622Z | 20.458° NNE | 2025-10-30 03:39:24.622Z | 71.135° E | 25.469° | 2025-10-30 03:43:24.622Z | 133.254° SE |
| 7 mins | 2025-10-30 05:17:24.622Z | 325.781° NNW | 2025-10-30 05:20:24.622Z | 277.765° WNW | 26.687° | 2025-10-30 05:24:24.622Z | 219.867° SW |
| 8 mins | 2025-10-30 16:32:24.622Z | 164.371° S | 2025-10-30 16:36:24.622Z | 62.282° ENE | 40.724° | 2025-10-30 16:40:24.622Z | 10.85° NNE |
| 4 mins | 2025-10-30 18:15:24.622Z | 264.355° W | 2025-10-30 18:17:24.622Z | 289.533° WNW | 13.929° | 2025-10-30 18:19:24.622Z | 313.547° NW |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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