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: 4 hours ago
TLE from 4 hours ago
0 IRIDIUM 176
1 43923U 19002B 25342.64548607 .00001969 00000-0 30821-3 0 9991
2 43923 86.6089 73.2240 0002221 99.0635 261.0833 14.72268508371217Epoch: 2025-12-08T15:29Z
TLE epoch observation values (Epoch: 2025-12-08T15:29:29.996Z)
Latitude
-0.00008°
Longitude
123.20747°
Altitude
657.185 km
Speed
7.529 km/s
True Right ascension
04h 52m 53s
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
17:25:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
652.303 km
Perigee altitude
649.181 km
Semi-major axis
7,028.879 km
Eccentricity
0.00022
Inclination
86.6089°
RAAN
73.224°
Arg. of periapsis
99.0635°
True anomaly
261.05816°
Mean anomaly
261.0833°
Eccentric anomaly
261.07073°
Mean motion
3.6831 °/min
Orbital period
97.74 mins
BSTAR
0.00030821
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Other satellites on launch #2 in the year 2019 (2019-01-11 UTC)
Did you know?
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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-08 19:20:05.067Z | 325.177° NNW | 2025-12-08 19:23:05.067Z | 277.946° WNW | 22.031° | 2025-12-08 19:26:05.067Z | 229.693° WSW |
| 7 mins | 2025-12-09 06:18:05.067Z | 150.502° SSE | 2025-12-09 06:21:05.067Z | 91.638° ESE | 33.646° | 2025-12-09 06:25:05.067Z | 18.56° NNE |
| 4 mins | 2025-12-09 07:58:05.067Z | 260.672° W | 2025-12-09 07:59:05.067Z | 275.862° WNW | 15.711° | 2025-12-09 08:02:05.067Z | 319.273° NNW |
| 7 mins | 2025-12-09 18:10:05.067Z | 6.28° NNE | 2025-12-09 18:13:05.067Z | 55.992° ENE | 41.858° | 2025-12-09 18:17:05.067Z | 167.816° S |
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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