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, 4.7 m
Radar Cross Section
14.423 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 IRIDIUM 176
1 43923U 19002B 25261.01628574 .00000756 00000-0 11595-3 0 9994
2 43923 86.6050 107.3837 0003007 94.1936 265.9625 14.72248488359201Epoch: 2025-09-18T00:23Z
TLE epoch observation values (Epoch: 2025-09-18T00:23:27.087Z)
Latitude
-0.00003°
Longitude
104.3369°
Altitude
657.156 km
Speed
7.529 km/s
True Right ascension
07h 09m 32s
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
06:32:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
652.92 km
Perigee altitude
648.692 km
Semi-major axis
7,028.943 km
Eccentricity
0.0003
Inclination
86.605°
RAAN
107.3837°
Arg. of periapsis
94.1936°
True anomaly
265.92813°
Mean anomaly
265.9625°
Eccentric anomaly
265.94531°
Mean motion
3.68305 °/min
Orbital period
97.74 mins
BSTAR
0.00011595
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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 | 2025-09-18 15:11:59.212Z | 223.307° SW | 2025-09-18 15:14:59.212Z | 269.71° W | 24.883° | 2025-09-18 15:18:59.212Z | 336.46° NNW |
| 6 mins | 2025-09-19 01:26:59.212Z | 28.658° NE | 2025-09-19 01:28:59.212Z | 68.893° E | 30.452° | 2025-09-19 01:32:59.212Z | 147.019° SSE |
| 4 mins | 2025-09-19 03:05:59.212Z | 299.515° NW | 2025-09-19 03:06:59.212Z | 283.052° WNW | 17.49° | 2025-09-19 03:09:59.212Z | 238.801° WSW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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