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 25336.90886617 .00000139 00000-0 42703-4 0 9995
2 41921 86.3971 138.9379 0001863 91.3393 268.8016 14.34219000467001Epoch: 2025-12-02T21:48Z
TLE epoch observation values (Epoch: 2025-12-02T21:48:46.037Z)
Latitude
-0.00002°
Longitude
99.75882°
Altitude
780.742 km
Speed
7.463 km/s
True Right ascension
09h 15m 45s
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
09:02:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.96 km
Perigee altitude
773.295 km
Semi-major axis
7,152.764 km
Eccentricity
0.00019
Inclination
86.3971°
RAAN
138.9379°
Arg. of periapsis
91.3393°
True anomaly
268.78026°
Mean anomaly
268.8016°
Eccentric anomaly
268.79093°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000042703
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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 | 2025-12-03 11:18:32.532Z | 170.907° S | 2025-12-03 11:23:32.532Z | 95.938° ESE | 42.647° | 2025-12-03 11:28:32.532Z | 8.446° NNE |
| 5 mins | 2025-12-03 21:51:32.532Z | 46.571° ENE | 2025-12-03 21:53:32.532Z | 72.738° E | 16.397° | 2025-12-03 21:56:32.532Z | 111.007° ESE |
| 8 mins | 2025-12-03 23:31:32.532Z | 339.971° N | 2025-12-03 23:34:32.532Z | 282.579° WNW | 38.066° | 2025-12-03 23:39:32.532Z | 197.978° SSW |
| 7 mins | 2025-12-04 10:47:32.532Z | 135.458° SSE | 2025-12-04 10:50:32.532Z | 76.919° E | 30.018° | 2025-12-04 10:54:32.532Z | 22.213° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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