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: 13 hours ago
TLE from 13 hours ago
0 IRIDIUM 158
1 43571U 18061C 25352.42331589 .00000266 00000-0 88021-4 0 9995
2 43571 86.3979 132.3407 0001876 99.9092 260.2315 14.34216557387458Epoch: 2025-12-18T10:09Z
TLE epoch observation values (Epoch: 2025-12-18T10:09:34.492Z)
Latitude
-0.00011°
Longitude
-107.33206°
Altitude
780.95 km
Speed
7.463 km/s
True Right ascension
08h 49m 21s
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
22:04:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.977 km
Perigee altitude
773.294 km
Semi-major axis
7,152.773 km
Eccentricity
0.00019
Inclination
86.3979°
RAAN
132.3407°
Arg. of periapsis
99.9092°
True anomaly
260.21032°
Mean anomaly
260.2315°
Eccentric anomaly
260.22091°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000088021
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-12-19 09:43:07.890Z | 163.546° S | 2025-12-19 09:47:07.890Z | 94.237° ESE | 40.214° | 2025-12-19 09:52:07.890Z | 11.246° NNE |
| 4 mins | 2025-12-19 11:27:07.890Z | 269.055° W | 2025-12-19 11:28:07.890Z | 282.203° WNW | 14.93° | 2025-12-19 11:31:07.890Z | 318.885° NNW |
| 8 mins | 2025-12-19 21:55:07.890Z | 344.449° N | 2025-12-19 21:58:07.890Z | 286.873° WNW | 40.747° | 2025-12-19 22:03:07.890Z | 193.195° 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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