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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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: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 164
1 43577U 18061J 26045.58488980 .00000088 00000-0 24516-4 0 9997
2 43577 86.3951 108.0557 0002159 100.4783 259.6656 14.34218045395846Epoch: 2026-02-14T14:02Z
TLE epoch observation values (Epoch: 2026-02-14T14:02:14.478Z)
Latitude
-0.00005°
Longitude
112.88953°
Altitude
780.995 km
Speed
7.463 km/s
True Right ascension
07h 12m 13s
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
02:46:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.175 km
Perigee altitude
773.086 km
Semi-major axis
7,152.768 km
Eccentricity
0.00022
Inclination
86.3951°
RAAN
108.0557°
Arg. of periapsis
100.4783°
True anomaly
259.64126°
Mean anomaly
259.6656°
Eccentric anomaly
259.65343°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000024516
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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 | 2026-02-15 03:34:06.190Z | 123.83° SE | 2026-02-15 03:37:06.190Z | 84.736° E | 19.788° | 2026-02-15 03:41:06.190Z | 33.702° NE |
| 8 mins | 2026-02-15 05:14:06.190Z | 213.649° SW | 2026-02-15 05:18:06.190Z | 288.978° WNW | 33.103° | 2026-02-15 05:22:06.190Z | 345.513° N |
| 8 mins | 2026-02-15 15:45:06.190Z | 19.155° NNE | 2026-02-15 15:48:06.190Z | 81.633° E | 36.718° | 2026-02-15 15:53:06.190Z | 158.205° S |
| 5 mins | 2026-02-15 17:26:06.190Z | 311.45° NW | 2026-02-15 17:28:06.190Z | 285.163° WNW | 17.281° | 2026-02-15 17:31:06.190Z | 245.423° WSW |
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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