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: 1 day ago
TLE from 1 day ago
0 IRIDIUM 105
1 41921U 17003E 25322.04816949 .00000355 00000-0 11955-3 0 9990
2 41921 86.3965 145.1475 0002024 84.9225 275.2202 14.34216186464876Epoch: 2025-11-18T01:09Z
TLE epoch observation values (Epoch: 2025-11-18T01:09:21.843Z)
Latitude
-0.00003°
Longitude
70.46663°
Altitude
780.592 km
Speed
7.464 km/s
True Right ascension
09h 40m 35s
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
08:17:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.085 km
Perigee altitude
773.189 km
Semi-major axis
7,152.774 km
Eccentricity
0.0002
Inclination
86.3965°
RAAN
145.1475°
Arg. of periapsis
84.9225°
True anomaly
275.1971°
Mean anomaly
275.2202°
Eccentric anomaly
275.20865°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00011955
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-11-19 12:25:19.432Z | 162.244° S | 2025-11-19 12:30:19.432Z | 86.804° E | 37.971° | 2025-11-19 12:34:19.432Z | 16.423° NNE |
| 5 mins | 2025-11-19 14:09:19.432Z | 257.253° W | 2025-11-19 14:11:19.432Z | 284.144° WNW | 16.618° | 2025-11-19 14:14:19.432Z | 321.76° NNW |
| 8 mins | 2025-11-20 00:38:19.432Z | 347.629° N | 2025-11-20 00:41:19.432Z | 281.632° WNW | 42.786° | 2025-11-20 00:46:19.432Z | 188.989° SSW |
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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