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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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: 13 hours ago
TLE from 13 hours ago
0 IRIDIUM 103
1 41918U 17003B 26305.17794218 -.00000001 00000-0 -73207-5 0 9996
2 41918 86.4001 31.1586 0001900 95.9163 264.2250 14.34217519512861Epoch: 2026-11-01T04:16Z
TLE epoch observation values (Epoch: 2026-11-01T04:16:14.204Z)
Latitude
0.00004°
Longitude
-73.37363°
Altitude
780.856 km
Speed
7.463 km/s
True Right ascension
02h 04m 38s
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
12:43:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.991 km
Perigee altitude
773.273 km
Semi-major axis
7,152.769 km
Eccentricity
0.00019
Inclination
86.4001°
RAAN
31.1586°
Arg. of periapsis
95.9163°
True anomaly
264.20334°
Mean anomaly
264.225°
Eccentric anomaly
264.21417°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.0000073207
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-11-01 18:13:59.200Z | 352.752° N | 2026-11-01 18:18:59.200Z | 273.797° WNW | 71.078° | 2026-11-01 18:23:59.200Z | 187.484° SSW |
| 6 mins | 2026-11-02 05:31:59.200Z | 123.352° SE | 2026-11-02 05:34:59.200Z | 73.124° E | 26.419° | 2026-11-02 05:37:59.200Z | 32.633° NE |
| 7 mins | 2026-11-02 07:11:59.200Z | 227.125° WSW | 2026-11-02 07:14:59.200Z | 277.774° WNW | 32.632° | 2026-11-02 07:18:59.200Z | 338.348° N |
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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