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: 1 day ago
TLE from 1 day ago
0 IRIDIUM 103
1 41918U 17003B 25314.35849786 .00000217 00000-0 70258-4 0 9995
2 41918 86.4012 179.8717 0002026 72.9752 287.1665 14.34217490461863Epoch: 2025-11-10T08:36Z
TLE epoch observation values (Epoch: 2025-11-10T08:36:14.215Z)
Latitude
-0.00007°
Longitude
1.05192°
Altitude
780.291 km
Speed
7.464 km/s
True Right ascension
11h 59m 29s
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
09:34:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.082 km
Perigee altitude
773.183 km
Semi-major axis
7,152.769 km
Eccentricity
0.0002
Inclination
86.4012°
RAAN
179.8717°
Arg. of periapsis
72.9752°
True anomaly
287.14432°
Mean anomaly
287.1665°
Eccentric anomaly
287.15541°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000070258
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-11-11 14:52:22.101Z | 136.431° SSE | 2025-11-11 14:56:22.101Z | 73.18° E | 25.926° | 2025-11-11 14:59:22.101Z | 30.943° NE |
| 7 mins | 2025-11-11 16:33:22.101Z | 229.919° WSW | 2025-11-11 16:36:22.101Z | 276.935° WNW | 26.061° | 2025-11-11 16:40:22.101Z | 336.004° NNW |
| 8 mins | 2025-11-12 03:03:22.101Z | 6.03° NNE | 2025-11-12 03:07:22.101Z | 122.776° SE | 42.222° | 2025-11-12 03:11:22.101Z | 169.098° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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