IRIDIUM 176, 43923
Orbit data source: Space-Track
IRIDIUM 176, 43923 is a payload satellite owned by Iridium (US) in LEO that was launched on Fri, 11 Jan 2019 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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43923 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
NGIS 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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 176
1 43923U 19002B 25356.10311138 .00000909 00000-0 14027-3 0 9997
2 43923 86.6081 67.5960 0002365 95.8993 264.2493 14.72262397373190Epoch: 2025-12-22T02:28Z
TLE epoch observation values (Epoch: 2025-12-22T02:28:28.823Z)
Latitude
-0.00008°
Longitude
-60.43012°
Altitude
657.129 km
Speed
7.529 km/s
True Right ascension
04h 30m 23s
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
16:06:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
652.424 km
Perigee altitude
649.099 km
Semi-major axis
7,028.899 km
Eccentricity
0.00024
Inclination
86.6081°
RAAN
67.596°
Arg. of periapsis
95.8993°
True anomaly
264.22234°
Mean anomaly
264.2493°
Eccentric anomaly
264.23582°
Mean motion
3.68309 °/min
Orbital period
97.74 mins
BSTAR
0.00014027
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Other satellites on launch #2 in the year 2019 (2019-01-11 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 176 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-22 17:44:06.619Z | 334.393° NNW | 2025-12-22 17:47:06.619Z | 280.353° WNW | 30.557° | 2025-12-22 17:51:06.619Z | 209.838° SW |
| 6 mins | 2025-12-23 04:43:06.619Z | 126.804° SE | 2025-12-23 04:45:06.619Z | 90.284° ESE | 24.421° | 2025-12-23 04:49:06.619Z | 27.144° NE |
| 6 mins | 2025-12-23 06:21:06.619Z | 238.268° WSW | 2025-12-23 06:23:06.619Z | 273.083° WNW | 22.673° | 2025-12-23 06:27:06.619Z | 335.127° NNW |
| 6 mins | 2025-12-23 16:35:06.619Z | 26.314° NE | 2025-12-23 16:37:06.619Z | 70.69° E | 33.352° | 2025-12-23 16:41:06.619Z | 151.87° 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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