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: 17 hours ago
TLE from 17 hours ago
0 IRIDIUM 164
1 43577U 18061J 25319.46720308 .00000074 00000-0 19375-4 0 9992
2 43577 86.3965 146.1201 0002098 94.0143 266.1293 14.34218380382781Epoch: 2025-11-15T11:12Z
TLE epoch observation values (Epoch: 2025-11-15T11:12:46.346Z)
Latitude
0.00003°
Longitude
-76.86894°
Altitude
780.818 km
Speed
7.463 km/s
True Right ascension
09h 44m 28s
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
00:28:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.13 km
Perigee altitude
773.129 km
Semi-major axis
7,152.767 km
Eccentricity
0.00021
Inclination
86.3965°
RAAN
146.1201°
Arg. of periapsis
94.0143°
True anomaly
266.10531°
Mean anomaly
266.1293°
Eccentric anomaly
266.11731°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000019375
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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 | 2025-11-16 12:26:49.997Z | 147.187° SSE | 2025-11-16 12:30:49.997Z | 88.528° E | 30.411° | 2025-11-16 12:34:49.997Z | 24.617° NE |
| 7 mins | 2025-11-16 14:08:49.997Z | 238.419° WSW | 2025-11-16 14:11:49.997Z | 283.179° WNW | 22.322° | 2025-11-16 14:15:49.997Z | 334.846° NNW |
| 8 mins | 2025-11-17 00:38:49.997Z | 0.071° NNE | 2025-11-17 00:41:49.997Z | 32.881° NE | 44.659° | 2025-11-17 00:46:49.997Z | 176.791° 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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