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, 4.7 m
Radar Cross Section
14.423 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 25258.74322313 .00000209 00000-0 67450-4 0 9994
2 43575 86.4044 171.4207 0002150 88.6694 271.4748 14.34218046374047Epoch: 2025-09-15T17:50Z
TLE epoch observation values (Epoch: 2025-09-15T17:50:14.478Z)
Latitude
-0.00003°
Longitude
-91.08313°
Altitude
780.678 km
Speed
7.464 km/s
True Right ascension
11h 25m 40s
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
02:15:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.168 km
Perigee altitude
773.093 km
Semi-major axis
7,152.768 km
Eccentricity
0.00022
Inclination
86.4044°
RAAN
171.4207°
Arg. of periapsis
88.6694°
True anomaly
271.45017°
Mean anomaly
271.4748°
Eccentric anomaly
271.46249°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00006745
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-16 17:26:12.222Z | 103.242° ESE | 2025-09-16 17:28:12.222Z | 79.323° E | 13.502° | 2025-09-16 17:30:12.222Z | 54.93° ENE |
| 8 mins | 2025-09-16 19:05:12.222Z | 198.369° SSW | 2025-09-16 19:08:12.222Z | 260.234° W | 41.696° | 2025-09-16 19:13:12.222Z | 355.239° N |
| 7 mins | 2025-09-17 05:36:12.222Z | 33.841° NE | 2025-09-17 05:39:12.222Z | 89.446° E | 27.553° | 2025-09-17 05:43:12.222Z | 142.176° SSE |
| 7 mins | 2025-09-17 07:16:12.222Z | 325.11° NNW | 2025-09-17 07:19:12.222Z | 280.803° WNW | 24.595° | 2025-09-17 07:23:12.222Z | 223.884° SW |
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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