IRIDIUM 163, 43575
Orbit data source: Space-Track
IRIDIUM 163, 43575 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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43575 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: 8 hours ago
TLE from 8 hours ago
0 IRIDIUM 163
1 43575U 18061G 26304.12164919 .00000053 00000-0 11773-4 0 9999
2 43575 86.4000 359.8998 0002157 93.5042 266.6401 14.34218008432862Epoch: 2026-10-31T02:55Z
TLE epoch observation values (Epoch: 2026-10-31T02:55:10.490Z)
Latitude
0.00005°
Longitude
-83.32582°
Altitude
780.808 km
Speed
7.463 km/s
True Right ascension
23h 59m 35s
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
07:00:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.174 km
Perigee altitude
773.088 km
Semi-major axis
7,152.768 km
Eccentricity
0.00022
Inclination
86.4°
RAAN
359.8998°
Arg. of periapsis
93.5042°
True anomaly
266.61543°
Mean anomaly
266.6401°
Eccentric anomaly
266.62776°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000011773
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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 163 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 | 2026-10-31 15:12:54.881Z | 20.71° NNE | 2026-10-31 15:16:54.881Z | 73.694° E | 29.767° | 2026-10-31 15:20:54.881Z | 135.363° SSE |
| 7 mins | 2026-10-31 16:54:54.881Z | 323.692° NNW | 2026-10-31 16:57:54.881Z | 274.902° WNW | 29.224° | 2026-10-31 17:01:54.881Z | 220.053° SW |
| 8 mins | 2026-11-01 04:09:54.881Z | 165.307° S | 2026-11-01 04:12:54.881Z | 113.167° SE | 62.719° | 2026-11-01 04:17:54.881Z | 9.659° NNE |
| 4 mins | 2026-11-01 05:52:54.881Z | 266.842° W | 2026-11-01 05:54:54.881Z | 291.748° WNW | 13.859° | 2026-11-01 05:56:54.881Z | 314.973° NW |
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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