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 26002.32792270 .00000626 00000-0 21641-3 0 9991
2 41921 86.3994 126.2333 0002044 98.3883 261.7544 14.34226085471362Epoch: 2026-01-02T07:52Z
TLE epoch observation values (Epoch: 2026-01-02T07:52:12.521Z)
Latitude
-0.00007°
Longitude
-93.7886°
Altitude
780.901 km
Speed
7.463 km/s
True Right ascension
08h 24m 55s
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
20:19:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.066 km
Perigee altitude
773.142 km
Semi-major axis
7,152.741 km
Eccentricity
0.0002
Inclination
86.3994°
RAAN
126.2333°
Arg. of periapsis
98.3883°
True anomaly
261.73122°
Mean anomaly
261.7544°
Eccentric anomaly
261.74281°
Mean motion
3.58785 °/min
Orbital period
100.34 mins
BSTAR
0.00021641
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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 | 2026-01-03 07:28:32.530Z | 102.16° ESE | 2026-01-03 07:30:32.530Z | 74.149° E | 16.844° | 2026-01-03 07:32:32.530Z | 48.337° ENE |
| 8 mins | 2026-01-03 09:06:32.530Z | 205.236° SW | 2026-01-03 09:10:32.530Z | 280.611° WNW | 37.271° | 2026-01-03 09:14:32.530Z | 347.882° N |
| 8 mins | 2026-01-03 19:37:32.530Z | 21.814° NNE | 2026-01-03 19:40:32.530Z | 73.054° E | 32.602° | 2026-01-03 19:45:32.530Z | 151.31° SSE |
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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