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: 15 hours ago
TLE from 15 hours ago
0 IRIDIUM 164
1 43577U 18061J 25350.30488697 -.00000489 00000-0 -18162-3 0 9996
2 43577 86.3986 133.2366 0002063 88.8563 271.2870 14.34213063387205Epoch: 2025-12-16T07:19Z
TLE epoch observation values (Epoch: 2025-12-16T07:19:02.234Z)
Latitude
0.00008°
Longitude
-61.71372°
Altitude
780.701 km
Speed
7.464 km/s
True Right ascension
08h 52m 56s
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
21:16:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.123 km
Perigee altitude
773.172 km
Semi-major axis
7,152.784 km
Eccentricity
0.00021
Inclination
86.3986°
RAAN
133.2366°
Arg. of periapsis
88.8563°
True anomaly
271.26337°
Mean anomaly
271.287°
Eccentric anomaly
271.27518°
Mean motion
3.58782 °/min
Orbital period
100.34 mins
BSTAR
-0.00018162
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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 | 2025-12-16 22:58:23.373Z | 325.565° NNW | 2025-12-16 23:02:23.373Z | 273.169° WNW | 19.983° | 2025-12-16 23:05:23.373Z | 234.712° WSW |
| 8 mins | 2025-12-17 10:14:23.373Z | 180.319° SSW | 2025-12-17 10:17:23.373Z | 172.333° S | 44.699° | 2025-12-17 10:22:23.373Z | 2.823° NNE |
| 6 mins | 2025-12-17 20:45:23.373Z | 40.434° NE | 2025-12-17 20:48:23.373Z | 85.823° E | 20.7° | 2025-12-17 20:51:23.373Z | 124.559° SE |
| 8 mins | 2025-12-17 22:25:23.373Z | 333.605° NNW | 2025-12-17 22:28:23.373Z | 284.689° WNW | 31.89° | 2025-12-17 22:33:23.373Z | 207.647° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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