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: 8 hours ago
TLE from 8 hours ago
0 IRIDIUM 103
1 41918U 17003B 26035.38309142 .00000371 00000-0 12548-3 0 9994
2 41918 86.4019 143.9655 0002495 94.6603 265.4878 14.34216563474194Epoch: 2026-02-04T09:11Z
TLE epoch observation values (Epoch: 2026-02-04T09:11:39.098Z)
Latitude
-0.00002°
Longitude
-128.49787°
Altitude
780.863 km
Speed
7.463 km/s
True Right ascension
09h 35m 51s
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
19:04:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.42 km
Perigee altitude
772.851 km
Semi-major axis
7,152.772 km
Eccentricity
0.00025
Inclination
86.4019°
RAAN
143.9655°
Arg. of periapsis
94.6603°
True anomaly
265.4593°
Mean anomaly
265.4878°
Eccentric anomaly
265.47355°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00012548
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-04 18:09:41.412Z | 39.158° NE | 2026-02-04 18:12:41.412Z | 79.486° E | 18.17° | 2026-02-04 18:15:41.412Z | 117.661° SE |
| 8 mins | 2026-02-04 19:49:41.412Z | 339.951° N | 2026-02-04 19:53:41.412Z | 264.644° W | 35.609° | 2026-02-04 19:57:41.412Z | 203.93° SW |
| 7 mins | 2026-02-05 07:05:41.412Z | 144.671° SSE | 2026-02-05 07:08:41.412Z | 91.813° ESE | 32.643° | 2026-02-05 07:12:41.412Z | 22.917° NE |
| 6 mins | 2026-02-05 08:47:41.412Z | 251.076° W | 2026-02-05 08:49:41.412Z | 281.439° WNW | 20.475° | 2026-02-05 08:53:41.412Z | 332.457° NNW |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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