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: 12 hours ago
TLE from 12 hours ago
0 IRIDIUM 163
1 43575U 18061G 26256.39998212 .00000072 00000-0 18823-4 0 9999
2 43575 86.4001 19.8256 0002209 95.3481 264.7966 14.34217427426028Epoch: 2026-09-13T09:35Z
TLE epoch observation values (Epoch: 2026-09-13T09:35:58.455Z)
Latitude
-0.00009°
Longitude
-116.56315°
Altitude
780.863 km
Speed
7.463 km/s
True Right ascension
01h 19m 18s
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
14:21:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.213 km
Perigee altitude
773.053 km
Semi-major axis
7,152.77 km
Eccentricity
0.00022
Inclination
86.4001°
RAAN
19.8256°
Arg. of periapsis
95.3481°
True anomaly
264.77139°
Mean anomaly
264.7966°
Eccentric anomaly
264.784°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000018823
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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 | 2026-09-13 21:55:45.004Z | 307.999° NW | 2026-09-13 21:57:45.004Z | 283.707° WNW | 14.652° | 2026-09-13 21:59:45.004Z | 258.782° W |
| 9 mins | 2026-09-14 09:09:45.004Z | 196.615° SSW | 2026-09-14 09:13:45.004Z | 279.812° WNW | 62.137° | 2026-09-14 09:18:45.004Z | 355.446° N |
| 8 mins | 2026-09-14 19:40:45.004Z | 26.016° NE | 2026-09-14 19:43:45.004Z | 72.25° E | 32.323° | 2026-09-14 19:48:45.004Z | 144.284° SSE |
| 7 mins | 2026-09-14 21:21:45.004Z | 322.235° NNW | 2026-09-14 21:24:45.004Z | 275.776° WNW | 26.804° | 2026-09-14 21:28:45.004Z | 222.761° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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