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: 12 hours ago
TLE from 12 hours ago
0 IRIDIUM 176
1 43923U 19002B 25310.08897449 .00001471 00000-0 22938-3 0 9993
2 43923 86.6063 86.8400 0001687 80.0119 280.1288 14.72259467366426Epoch: 2025-11-06T02:08Z
TLE epoch observation values (Epoch: 2025-11-06T02:08:07.395Z)
Latitude
-0.0001°
Longitude
9.25688°
Altitude
656.763 km
Speed
7.529 km/s
True Right ascension
05h 47m 21s
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
10:30:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
651.957 km
Perigee altitude
649.585 km
Semi-major axis
7,028.908 km
Eccentricity
0.00017
Inclination
86.6063°
RAAN
86.84°
Arg. of periapsis
80.0119°
True anomaly
280.10977°
Mean anomaly
280.1288°
Eccentric anomaly
280.11928°
Mean motion
3.68308 °/min
Orbital period
97.74 mins
BSTAR
0.00022938
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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 | 2025-11-06 20:39:00.987Z | 24.912° NE | 2025-11-06 20:42:00.987Z | 69.305° E | 24.188° | 2025-11-06 20:46:00.987Z | 136.753° SSE |
| 6 mins | 2025-11-06 22:18:00.987Z | 319.881° NNW | 2025-11-06 22:20:00.987Z | 286.982° WNW | 22.411° | 2025-11-06 22:24:00.987Z | 223.594° SW |
| 6 mins | 2025-11-07 09:16:00.987Z | 144.053° SSE | 2025-11-07 09:19:00.987Z | 71.344° E | 32.186° | 2025-11-07 09:22:00.987Z | 21.84° NNE |
| 4 mins | 2025-11-07 10:55:00.987Z | 254.327° W | 2025-11-07 10:57:00.987Z | 285.259° WNW | 16.436° | 2025-11-07 10:59:00.987Z | 314.922° NW |
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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