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: 12 hours ago
TLE from 12 hours ago
0 IRIDIUM 164
1 43577U 18061J 26123.86516449 .00000206 00000-0 66351-4 0 9992
2 43577 86.3951 75.2982 0002168 81.4274 278.7168 14.34219462407068Epoch: 2026-05-03T20:45Z
TLE epoch observation values (Epoch: 2026-05-03T20:45:50.211Z)
Latitude
0.00001°
Longitude
-97.9236°
Altitude
780.478 km
Speed
7.464 km/s
True Right ascension
05h 01m 11s
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
16:54:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.177 km
Perigee altitude
773.075 km
Semi-major axis
7,152.763 km
Eccentricity
0.00022
Inclination
86.3951°
RAAN
75.2982°
Arg. of periapsis
81.4274°
True anomaly
278.69224°
Mean anomaly
278.7168°
Eccentric anomaly
278.70452°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000066351
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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 | 2026-05-04 09:05:33.272Z | 349.403° N | 2026-05-04 09:08:33.272Z | 226.71° WSW | 43.265° | 2026-05-04 09:12:33.272Z | 186.068° SSW |
| 7 mins | 2026-05-04 20:20:33.272Z | 127.848° SE | 2026-05-04 20:23:33.272Z | 84.32° E | 23.082° | 2026-05-04 20:27:33.272Z | 30.438° NE |
| 8 mins | 2026-05-04 22:00:33.272Z | 220.274° SW | 2026-05-04 22:04:33.272Z | 288.063° WNW | 29.213° | 2026-05-04 22:08:33.272Z | 342.193° N |
| 9 mins | 2026-05-05 08:30:33.272Z | 8.752° NNE | 2026-05-05 08:34:33.272Z | 82.973° E | 40.46° | 2026-05-05 08:39:33.272Z | 164.368° S |
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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