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, 4.7 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 171
1 43929U 19002H 25259.94781037 .00000214 00000-0 69177-4 0 9992
2 43929 86.3934 108.1009 0002330 80.8288 279.3171 14.34218960349793Epoch: 2025-09-16T22:44Z
TLE epoch observation values (Epoch: 2025-09-16T22:44:50.815Z)
Latitude
-0.00008°
Longitude
130.75837°
Altitude
780.444 km
Speed
7.464 km/s
True Right ascension
07h 12m 24s
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
16:08:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.294 km
Perigee altitude
772.961 km
Semi-major axis
7,152.765 km
Eccentricity
0.00023
Inclination
86.3934°
RAAN
108.1009°
Arg. of periapsis
80.8288°
True anomaly
279.29075°
Mean anomaly
279.3171°
Eccentric anomaly
279.30393°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000069177
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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 | 2025-09-18 02:07:08.161Z | 356.818° N | 2025-09-18 02:11:08.161Z | 336.921° NNW | 44.788° | 2025-09-18 02:16:08.161Z | 180.197° SSW |
| 6 mins | 2025-09-18 13:24:08.161Z | 120.419° SE | 2025-09-18 13:27:08.161Z | 77.647° E | 20.302° | 2025-09-18 13:30:08.161Z | 37.955° NE |
| 8 mins | 2025-09-18 15:04:08.161Z | 217.979° SW | 2025-09-18 15:07:08.161Z | 271.785° WNW | 32.688° | 2025-09-18 15:12:08.161Z | 346.987° N |
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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