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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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: 11 hours ago
TLE from 11 hours ago
0 IRIDIUM 176
1 43923U 19002B 26303.41472452 .00000215 00000-0 30197-4 0 9998
2 43923 86.6043 297.0004 0002398 91.1613 268.9878 14.72252671419149Epoch: 2026-10-30T09:57Z
TLE epoch observation values (Epoch: 2026-10-30T09:57:12.198Z)
Latitude
-0.00012°
Longitude
108.96443°
Altitude
657.024 km
Speed
7.529 km/s
True Right ascension
19h 48m 00s
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
16:07:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
652.478 km
Perigee altitude
649.107 km
Semi-major axis
7,028.93 km
Eccentricity
0.00024
Inclination
86.6043°
RAAN
297.0004°
Arg. of periapsis
91.1613°
True anomaly
268.96033°
Mean anomaly
268.9878°
Eccentric anomaly
268.97406°
Mean motion
3.68306 °/min
Orbital period
97.74 mins
BSTAR
0.000030197
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-10-30 23:09:11.219Z | 109.93° ESE | 2026-10-30 23:11:11.219Z | 81.501° E | 15.735° | 2026-10-30 23:13:11.219Z | 52.407° ENE |
| 7 mins | 2026-10-31 00:46:11.219Z | 212.517° SW | 2026-10-31 00:49:11.219Z | 284.343° WNW | 43.894° | 2026-10-31 00:53:11.219Z | 348.183° N |
| 5 mins | 2026-10-31 11:01:11.219Z | 45.277° ENE | 2026-10-31 11:03:11.219Z | 82.477° E | 23.948° | 2026-10-31 11:06:11.219Z | 129.268° SE |
| 5 mins | 2026-10-31 12:39:11.219Z | 315.323° NNW | 2026-10-31 12:41:11.219Z | 274.375° WNW | 28.566° | 2026-10-31 12:44:11.219Z | 223.351° SW |
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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