IRIDIUM 105, 41921
Orbit data source: Space-Track
IRIDIUM 105, 41921 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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41921 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: 18 hours ago
TLE from 18 hours ago
0 IRIDIUM 105
1 41921U 17003E 25314.79224084 .00000136 00000-0 41509-4 0 9992
2 41921 86.3974 148.1774 0002052 83.6391 276.5038 14.34218022463839Epoch: 2025-11-10T19:00Z
TLE epoch observation values (Epoch: 2025-11-10T19:00:49.608Z)
Latitude
-0.00007°
Longitude
172.78263°
Altitude
780.551 km
Speed
7.464 km/s
True Right ascension
09h 52m 42s
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
09:48:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.098 km
Perigee altitude
773.163 km
Semi-major axis
7,152.768 km
Eccentricity
0.00021
Inclination
86.3974°
RAAN
148.1774°
Arg. of periapsis
83.6391°
True anomaly
276.48044°
Mean anomaly
276.5038°
Eccentric anomaly
276.49212°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000041509
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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 105 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 | 2025-11-11 13:32:10.602Z | 178.6° S | 2025-11-11 13:37:10.602Z | 62.198° ENE | 44.837° | 2025-11-11 13:42:10.602Z | 3.825° NNE |
| 7 mins | 2025-11-12 00:04:10.602Z | 34.494° NE | 2025-11-12 00:07:10.602Z | 74.764° E | 20.048° | 2025-11-12 00:11:10.602Z | 126.207° SE |
| 7 mins | 2025-11-12 01:45:10.602Z | 332.181° NNW | 2025-11-12 01:48:10.602Z | 274.979° WNW | 33.279° | 2025-11-12 01:52:10.602Z | 209.322° SW |
| 8 mins | 2025-11-12 13:00:10.602Z | 151.021° SSE | 2025-11-12 13:03:10.602Z | 102.492° ESE | 34.631° | 2025-11-12 13:08:10.602Z | 17.004° NNE |
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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