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: 13 hours ago
TLE from 13 hours ago
0 IRIDIUM 105
1 41921U 17003E 25353.44400603 .00000233 00000-0 76219-4 0 9994
2 41921 86.3984 132.0312 0001934 95.6366 264.5050 14.34215844469378Epoch: 2025-12-19T10:39Z
TLE epoch observation values (Epoch: 2025-12-19T10:39:22.120Z)
Latitude
-0.00009°
Longitude
-116.09605°
Altitude
780.857 km
Speed
7.463 km/s
True Right ascension
08h 48m 07s
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
22:10:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.021 km
Perigee altitude
773.255 km
Semi-major axis
7,152.775 km
Eccentricity
0.00019
Inclination
86.3984°
RAAN
132.0312°
Arg. of periapsis
95.6366°
True anomaly
264.48294°
Mean anomaly
264.505°
Eccentric anomaly
264.49397°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000076219
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-20 08:35:05.465Z | 100.61° ESE | 2025-12-20 08:37:05.465Z | 76.449° E | 13.265° | 2025-12-20 08:39:05.465Z | 52.689° ENE |
| 9 mins | 2025-12-20 10:13:05.465Z | 194.704° SSW | 2025-12-20 10:17:05.465Z | 275.166° WNW | 42.163° | 2025-12-20 10:22:05.465Z | 356.096° N |
| 7 mins | 2025-12-20 20:44:05.465Z | 26.58° NE | 2025-12-20 20:47:05.465Z | 71.873° E | 27.206° | 2025-12-20 20:51:05.465Z | 136.338° SSE |
| 7 mins | 2025-12-20 22:25:05.465Z | 323.366° NNW | 2025-12-20 22:28:05.465Z | 276.35° WNW | 24.972° | 2025-12-20 22:32:05.465Z | 221.843° SW |
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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