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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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: 16 hours ago
TLE from 16 hours ago
0 IRIDIUM 163
1 43575U 18061G 25304.86021400 .00000047 00000-0 96236-5 0 9997
2 43575 86.3980 152.1781 0002256 85.2797 274.8656 14.34217790380656Epoch: 2025-10-31T20:38Z
TLE epoch observation values (Epoch: 2025-10-31T20:38:42.489Z)
Latitude
-0.00007°
Longitude
162.10247°
Altitude
780.581 km
Speed
7.464 km/s
True Right ascension
10h 08m 42s
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
08:16:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.245 km
Perigee altitude
773.018 km
Semi-major axis
7,152.768 km
Eccentricity
0.00023
Inclination
86.398°
RAAN
152.1781°
Arg. of periapsis
85.2797°
True anomaly
274.83984°
Mean anomaly
274.8656°
Eccentric anomaly
274.85272°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.0000096236
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-11-01 13:31:40.352Z | 124.814° SE | 2025-11-01 13:34:40.352Z | 82.134° E | 21.689° | 2025-11-01 13:38:40.352Z | 30.852° NE |
| 8 mins | 2025-11-01 15:11:40.352Z | 218.579° SW | 2025-11-01 15:14:40.352Z | 265.269° W | 30.655° | 2025-11-01 15:19:40.352Z | 344.278° N |
| 8 mins | 2025-11-02 01:41:40.352Z | 11.189° NNE | 2025-11-02 01:45:40.352Z | 88.655° E | 38.927° | 2025-11-02 01:49:40.352Z | 158.736° S |
| 4 mins | 2025-11-02 03:24:40.352Z | 296.221° NW | 2025-11-02 03:25:40.352Z | 282.624° WNW | 15.752° | 2025-11-02 03:28:40.352Z | 245.752° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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