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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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 26041.95007781 .00000073 00000-0 18900-4 0 9991
2 43929 86.3939 46.6178 0002005 87.9999 272.1426 14.34218022370862Epoch: 2026-02-10T22:48Z
TLE epoch observation values (Epoch: 2026-02-10T22:48:06.722Z)
Latitude
-0.00008°
Longitude
-76.43341°
Altitude
780.664 km
Speed
7.464 km/s
True Right ascension
03h 06m 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
12:24:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.065 km
Perigee altitude
773.197 km
Semi-major axis
7,152.768 km
Eccentricity
0.0002
Inclination
86.3939°
RAAN
46.6178°
Arg. of periapsis
87.9999°
True anomaly
272.11964°
Mean anomaly
272.1426°
Eccentric anomaly
272.13112°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.0000189
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-11 11:06:55.822Z | 39.678° NE | 2026-02-11 11:09:55.822Z | 77.174° E | 16.016° | 2026-02-11 11:12:55.822Z | 113.506° SE |
| 8 mins | 2026-02-11 12:46:55.822Z | 344.158° N | 2026-02-11 12:50:55.822Z | 268.983° W | 38.787° | 2026-02-11 12:54:55.822Z | 199.413° SSW |
| 8 mins | 2026-02-12 00:02:55.822Z | 140.816° SSE | 2026-02-12 00:05:55.822Z | 94.315° ESE | 29.345° | 2026-02-12 00:10:55.822Z | 21.119° NNE |
| 7 mins | 2026-02-12 01:43:55.822Z | 235.082° WSW | 2026-02-12 01:46:55.822Z | 278.768° WNW | 23.006° | 2026-02-12 01:50:55.822Z | 333.693° NNW |
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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