IRIDIUM 158, 43571
Orbit data source: Space-Track
IRIDIUM 158, 43571 is a payload satellite owned by Iridium (US) in LEO that was launched on Wed, 25 Jul 2018 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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43571 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: 16 hours ago
TLE from 16 hours ago
0 IRIDIUM 158
1 43571U 18061C 25304.84119242 .00000359 00000-0 12105-3 0 9990
2 43571 86.3981 152.2186 0002135 79.6821 280.4615 14.34217414380633Epoch: 2025-10-31T20:11Z
TLE epoch observation values (Epoch: 2025-10-31T20:11:19.025Z)
Latitude
-0.00004°
Longitude
169.00949°
Altitude
780.442 km
Speed
7.464 km/s
True Right ascension
10h 08m 52s
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
08:18:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.16 km
Perigee altitude
773.106 km
Semi-major axis
7,152.77 km
Eccentricity
0.00021
Inclination
86.3981°
RAAN
152.2186°
Arg. of periapsis
79.6821°
True anomaly
280.43744°
Mean anomaly
280.4615°
Eccentric anomaly
280.44947°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00012105
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Other satellites on launch #61 in the year 2018 (2018-07-25 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 158 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-11-01 14:43:55.309Z | 192.8° SSW | 2025-11-01 14:47:55.309Z | 299.335° NW | 42.721° | 2025-11-01 14:51:55.309Z | 355.999° N |
| 7 mins | 2025-11-02 01:14:55.309Z | 30.623° NE | 2025-11-02 01:17:55.309Z | 78.51° E | 26.124° | 2025-11-02 01:21:55.309Z | 136.577° SSE |
| 7 mins | 2025-11-02 02:55:55.309Z | 321.786° NNW | 2025-11-02 02:58:55.309Z | 270.11° WNW | 26.141° | 2025-11-02 03:02:55.309Z | 218.158° SW |
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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