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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 164
1 43577U 18061J 25258.76859348 .00000021 00000-0 32854-6 0 9995
2 43577 86.4045 171.4529 0002244 78.7941 281.3507 14.34217925374088Epoch: 2025-09-15T18:26Z
TLE epoch observation values (Epoch: 2025-09-15T18:26:46.476Z)
Latitude
-0.00003°
Longitude
-100.20926°
Altitude
780.402 km
Speed
7.464 km/s
True Right ascension
11h 25m 48s
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
02:15:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.236 km
Perigee altitude
773.026 km
Semi-major axis
7,152.768 km
Eccentricity
0.00022
Inclination
86.4045°
RAAN
171.4529°
Arg. of periapsis
78.7941°
True anomaly
281.32549°
Mean anomaly
281.3507°
Eccentric anomaly
281.33809°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
3.2854e-7
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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 | 2025-09-16 18:00:11.955Z | 143.219° SSE | 2025-09-16 18:04:11.955Z | 91.348° ESE | 26.819° | 2025-09-16 18:08:11.955Z | 29.03° NE |
| 7 mins | 2025-09-16 19:42:11.955Z | 232.464° WSW | 2025-09-16 19:45:11.955Z | 280.271° WNW | 25.392° | 2025-09-16 19:49:11.955Z | 336.493° NNW |
| 8 mins | 2025-09-17 06:12:11.955Z | 5.404° NNE | 2025-09-17 06:15:11.955Z | 53.064° ENE | 42.997° | 2025-09-17 06:20:11.955Z | 170.675° 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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