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: 8 hours ago
TLE from 8 hours ago
0 IRIDIUM 105
1 41921U 17003E 25302.51298954 .00000452 00000-0 15438-3 0 9998
2 41921 86.3987 153.3051 0002235 83.0760 277.0690 14.34218363462079Epoch: 2025-10-29T12:18Z
TLE epoch observation values (Epoch: 2025-10-29T12:18:42.296Z)
Latitude
-0.00001°
Longitude
-69.45619°
Altitude
780.52 km
Speed
7.464 km/s
True Right ascension
10h 13m 13s
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
16:02:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.228 km
Perigee altitude
773.031 km
Semi-major axis
7,152.767 km
Eccentricity
0.00022
Inclination
86.3987°
RAAN
153.3051°
Arg. of periapsis
83.076°
True anomaly
277.04358°
Mean anomaly
277.069°
Eccentric anomaly
277.05629°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00015438
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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 | 2025-10-30 02:16:16.059Z | 359.316° N | 2025-10-30 02:21:16.059Z | 51° ENE | 44.567° | 2025-10-30 02:26:16.059Z | 175.509° S |
| 6 mins | 2025-10-30 13:34:16.059Z | 117.51° SE | 2025-10-30 13:37:16.059Z | 77.673° E | 18.145° | 2025-10-30 13:40:16.059Z | 39.825° NE |
| 8 mins | 2025-10-30 15:14:16.059Z | 212.979° SW | 2025-10-30 15:17:16.059Z | 271.26° WNW | 35.582° | 2025-10-30 15:22:16.059Z | 349.448° N |
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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