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, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 IRIDIUM 164
1 43577U 18061J 25305.51350058 .00000292 00000-0 97145-4 0 9997
2 43577 86.3980 151.9486 0001986 91.0766 269.0658 14.34217945380781Epoch: 2025-11-01T12:19Z
TLE epoch observation values (Epoch: 2025-11-01T12:19:26.450Z)
Latitude
0.00006°
Longitude
-73.9541°
Altitude
780.741 km
Speed
7.463 km/s
True Right ascension
10h 07m 47s
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
22:21:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.052 km
Perigee altitude
773.21 km
Semi-major axis
7,152.768 km
Eccentricity
0.0002
Inclination
86.398°
RAAN
151.9486°
Arg. of periapsis
91.0766°
True anomaly
269.04305°
Mean anomaly
269.0658°
Eccentric anomaly
269.05442°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000097145
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-11-02 13:33:33.261Z | 139.261° SSE | 2025-11-02 13:37:33.261Z | 86.116° E | 25.157° | 2025-11-02 13:41:33.261Z | 29.117° NE |
| 7 mins | 2025-11-02 15:15:33.261Z | 232.113° WSW | 2025-11-02 15:18:33.261Z | 285.387° WNW | 27.111° | 2025-11-02 15:22:33.261Z | 339.688° N |
| 9 mins | 2025-11-03 01:44:33.261Z | 5.762° NNE | 2025-11-03 01:48:33.261Z | 76.132° E | 42.263° | 2025-11-03 01:53:33.261Z | 167.879° 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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