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: 1 day ago
TLE from 1 day ago
0 IRIDIUM 176
1 43923U 19002B 25259.65692672 .00000726 00000-0 11118-3 0 9999
2 43923 86.6053 107.9549 0003300 90.7886 269.3709 14.72254130359002Epoch: 2025-09-16T15:45Z
TLE epoch observation values (Epoch: 2025-09-16T15:45:58.468Z)
Latitude
-0.00006°
Longitude
-124.38281°
Altitude
657.015 km
Speed
7.529 km/s
True Right ascension
07h 11m 49s
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
13:22:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
653.108 km
Perigee altitude
648.468 km
Semi-major axis
7,028.925 km
Eccentricity
0.00033
Inclination
86.6053°
RAAN
107.9549°
Arg. of periapsis
90.7886°
True anomaly
269.33309°
Mean anomaly
269.3709°
Eccentric anomaly
269.35199°
Mean motion
3.68307 °/min
Orbital period
97.74 mins
BSTAR
0.00011118
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-09-18 00:58:25.938Z | 40.578° NE | 2025-09-18 01:01:25.938Z | 84.195° E | 15.857° | 2025-09-18 01:03:25.938Z | 112.271° ESE |
| 7 mins | 2025-09-18 02:36:25.938Z | 334.692° NNW | 2025-09-18 02:39:25.938Z | 268.443° W | 33.386° | 2025-09-18 02:43:25.938Z | 204.116° SW |
| 5 mins | 2025-09-18 13:35:25.938Z | 119.005° SE | 2025-09-18 13:37:25.938Z | 82.287° E | 22.212° | 2025-09-18 13:40:25.938Z | 34.736° NE |
| 5 mins | 2025-09-18 15:13:25.938Z | 239.722° WSW | 2025-09-18 15:15:25.938Z | 280.73° WNW | 25.153° | 2025-09-18 15:18:25.938Z | 331.879° NNW |
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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