IRIDIUM 164, 43577
Orbit data source: Space-Track
IRIDIUM 164, 43577 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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43577 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: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 164
1 43577U 18061J 25260.86164874 .00000010 00000-0 -33635-5 0 9998
2 43577 86.4046 170.5801 0002104 78.0642 282.0789 14.34217774374383Epoch: 2025-09-17T20:40Z
TLE epoch observation values (Epoch: 2025-09-17T20:40:46.451Z)
Latitude
-0.00006°
Longitude
-136.64497°
Altitude
780.403 km
Speed
7.464 km/s
True Right ascension
11h 22m 19s
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
23:24:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.136 km
Perigee altitude
773.126 km
Semi-major axis
7,152.768 km
Eccentricity
0.00021
Inclination
86.4046°
RAAN
170.5801°
Arg. of periapsis
78.0642°
True anomaly
282.05532°
Mean anomaly
282.0789°
Eccentric anomaly
282.06711°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.0000033635
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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 164 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-18 07:18:44.398Z | 326.385° NNW | 2025-09-18 07:22:44.398Z | 272.545° WNW | 21.074° | 2025-09-18 07:25:44.398Z | 233.05° WSW |
| 8 mins | 2025-09-18 18:34:44.398Z | 177.192° S | 2025-09-18 18:37:44.398Z | 140.675° SSE | 44.587° | 2025-09-18 18:42:44.398Z | 4.133° NNE |
| 6 mins | 2025-09-19 05:05:44.398Z | 41.768° NE | 2025-09-19 05:07:44.398Z | 69.649° E | 19.642° | 2025-09-19 05:11:44.398Z | 123.309° SE |
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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