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: 11 hours ago
TLE from 11 hours ago
0 IRIDIUM 163
1 43575U 18061G 26123.90956559 .00000045 00000-0 89280-5 0 9993
2 43575 86.3949 75.2328 0002249 88.7354 271.4099 14.34217134407030Epoch: 2026-05-03T21:49Z
TLE epoch observation values (Epoch: 2026-05-03T21:49:46.466Z)
Latitude
-0.0001°
Longitude
-114.01716°
Altitude
780.681 km
Speed
7.464 km/s
True Right ascension
05h 00m 55s
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
16:51:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.242 km
Perigee altitude
773.025 km
Semi-major axis
7,152.771 km
Eccentricity
0.00022
Inclination
86.3949°
RAAN
75.2328°
Arg. of periapsis
88.7354°
True anomaly
271.38414°
Mean anomaly
271.4099°
Eccentric anomaly
271.39702°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000008928
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-04 10:09:13.117Z | 313.794° NW | 2026-05-04 10:12:13.117Z | 273.562° WNW | 17.248° | 2026-05-04 10:14:13.117Z | 247.648° W |
| 8 mins | 2026-05-04 21:24:13.117Z | 188.513° SSW | 2026-05-04 21:27:13.117Z | 239.7° WSW | 44.147° | 2026-05-04 21:32:13.117Z | 359.359° N |
| 6 mins | 2026-05-05 07:55:13.117Z | 37.7° NE | 2026-05-05 07:58:13.117Z | 87.202° E | 23.663° | 2026-05-05 08:01:13.117Z | 128.94° SE |
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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