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, 4.7 m
Radar Cross Section
14.423 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 IRIDIUM 103
1 41918U 17003B 25260.07859093 .00000178 00000-0 56385-4 0 9997
2 41918 86.4020 202.5114 0002450 96.7933 263.3542 14.34218610454084Epoch: 2025-09-17T01:53Z
TLE epoch observation values (Epoch: 2025-09-17T01:53:10.256Z)
Latitude
0.00002°
Longitude
177.95897°
Altitude
780.919 km
Speed
7.463 km/s
True Right ascension
13h 30m 02s
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
17:03:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.381 km
Perigee altitude
772.876 km
Semi-major axis
7,152.766 km
Eccentricity
0.00025
Inclination
86.402°
RAAN
202.5114°
Arg. of periapsis
96.7933°
True anomaly
263.32631°
Mean anomaly
263.3542°
Eccentric anomaly
263.34026°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000056385
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-18 06:57:50.678Z | 54.796° ENE | 2025-09-18 06:59:50.678Z | 79.531° E | 13.127° | 2025-09-18 07:01:50.678Z | 102.601° ESE |
| 8 mins | 2025-09-18 08:36:50.678Z | 348.673° N | 2025-09-18 08:40:50.678Z | 252.764° W | 42.149° | 2025-09-18 08:44:50.678Z | 191.301° SSW |
| 7 mins | 2025-09-18 19:52:50.678Z | 133.074° SE | 2025-09-18 19:55:50.678Z | 88.37° E | 25.5° | 2025-09-18 19:59:50.678Z | 29.501° NE |
| 7 mins | 2025-09-18 21:33:50.678Z | 231.612° WSW | 2025-09-18 21:36:50.678Z | 282.959° WNW | 26.767° | 2025-09-18 21:40:50.678Z | 338.62° N |
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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