IRIDIUM 171, 43929
Orbit data source: Space-Track
IRIDIUM 171, 43929 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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43929 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: 11 hours ago
TLE from 11 hours ago
0 IRIDIUM 171
1 43929U 19002H 25302.92521865 .00000208 00000-0 67299-4 0 9996
2 43929 86.3936 90.1182 0001771 95.0357 265.1041 14.34217812355959Epoch: 2025-10-29T22:12Z
TLE epoch observation values (Epoch: 2025-10-29T22:12:18.891Z)
Latitude
-0.00001°
Longitude
78.54812°
Altitude
780.826 km
Speed
7.463 km/s
True Right ascension
06h 00m 28s
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
04:53:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.898 km
Perigee altitude
773.365 km
Semi-major axis
7,152.769 km
Eccentricity
0.00018
Inclination
86.3936°
RAAN
90.1182°
Arg. of periapsis
95.0357°
True anomaly
265.08388°
Mean anomaly
265.1041°
Eccentric anomaly
265.09399°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000067299
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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 171 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-10-30 10:02:35.222Z | 155.916° SSE | 2025-10-30 10:06:35.222Z | 92.188° ESE | 35.875° | 2025-10-30 10:11:35.222Z | 15.216° NNE |
| 5 mins | 2025-10-30 11:45:35.222Z | 254.002° W | 2025-10-30 11:47:35.222Z | 281.921° WNW | 18.088° | 2025-10-30 11:50:35.222Z | 321.656° NNW |
| 8 mins | 2025-10-30 22:14:35.222Z | 351.335° N | 2025-10-30 22:17:35.222Z | 302.105° NW | 43.647° | 2025-10-30 22:22:35.222Z | 185.844° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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