IRIDIUM 175, 43928
Orbit data source: Space-Track
IRIDIUM 175, 43928 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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43928 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: 22 hours ago
TLE from 22 hours ago
0 IRIDIUM 175
1 43928U 19002G 25257.47710204 .00000305 00000-0 44362-4 0 9995
2 43928 86.1470 56.2764 0003014 79.5656 280.5900 14.72243886358678Epoch: 2025-09-14T11:27Z
TLE epoch observation values (Epoch: 2025-09-14T11:27:01.616Z)
Latitude
-0.00002°
Longitude
-109.17588°
Altitude
656.626 km
Speed
7.529 km/s
True Right ascension
03h 45m 06s
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
02:06:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
652.949 km
Perigee altitude
648.712 km
Semi-major axis
7,028.967 km
Eccentricity
0.0003
Inclination
86.147°
RAAN
56.2764°
Arg. of periapsis
79.5656°
True anomaly
280.55605°
Mean anomaly
280.59°
Eccentric anomaly
280.57302°
Mean motion
3.68304 °/min
Orbital period
97.75 mins
BSTAR
0.000044362
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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 175 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 | 2025-09-15 10:24:40.298Z | 137.741° SSE | 2025-09-15 10:28:40.298Z | 73.578° E | 22.848° | 2025-09-15 10:31:40.298Z | 30.682° NE |
| 6 mins | 2025-09-15 12:03:40.298Z | 233.648° WSW | 2025-09-15 12:06:40.298Z | 289.682° WNW | 23.793° | 2025-09-15 12:09:40.298Z | 334.71° NNW |
| 6 mins | 2025-09-15 22:17:40.298Z | 22.938° NE | 2025-09-15 22:20:40.298Z | 98.411° ESE | 33.428° | 2025-09-15 22:23:40.298Z | 150.122° SSE |
| 4 mins | 2025-09-15 23:56:40.298Z | 299.97° NW | 2025-09-15 23:57:40.298Z | 284.872° WNW | 15.464° | 2025-09-16 00:00:40.298Z | 242.562° 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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