IRIDIUM 166, 43570
Orbit data source: Space-Track
IRIDIUM 166, 43570 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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43570 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: 21 hours ago
TLE from 21 hours ago
0 IRIDIUM 166
1 43570U 18061B 25304.66359259 .00000162 00000-0 50711-4 0 9991
2 43570 86.3980 152.2828 0001924 89.5541 270.5875 14.34218465380644Epoch: 2025-10-31T15:55Z
TLE epoch observation values (Epoch: 2025-10-31T15:55:34.399Z)
Latitude
-0.00007°
Longitude
-126.81532°
Altitude
780.702 km
Speed
7.464 km/s
True Right ascension
10h 09m 07s
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
08:16:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.005 km
Perigee altitude
773.253 km
Semi-major axis
7,152.766 km
Eccentricity
0.00019
Inclination
86.398°
RAAN
152.2828°
Arg. of periapsis
89.5541°
True anomaly
270.56545°
Mean anomaly
270.5875°
Eccentric anomaly
270.57648°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000050711
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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 166 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 13:48:40.049Z | 146.055° SSE | 2025-11-01 13:52:40.049Z | 89.116° E | 29.486° | 2025-11-01 13:56:40.049Z | 25.691° NE |
| 7 mins | 2025-11-01 15:30:40.049Z | 237.045° WSW | 2025-11-01 15:33:40.049Z | 282.678° WNW | 23.092° | 2025-11-01 15:37:40.049Z | 335.314° NNW |
| 8 mins | 2025-11-02 02:00:40.049Z | 1.529° NNE | 2025-11-02 02:03:40.049Z | 43.432° NE | 44.397° | 2025-11-02 02:08:40.049Z | 175.251° S |
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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