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: 2 days ago
TLE from 2 days ago
0 IRIDIUM 163
1 43575U 18061G 26171.42192557 .00000078 00000-0 20884-4 0 9993
2 43575 86.3957 55.3697 0002234 83.5171 276.6279 14.34217054413845Epoch: 2026-06-20T10:07Z
TLE epoch observation values (Epoch: 2026-06-20T10:07:34.369Z)
Latitude
-0.00002°
Longitude
-5.16029°
Altitude
780.536 km
Speed
7.464 km/s
True Right ascension
03h 41m 28s
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
21:36:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.232 km
Perigee altitude
773.036 km
Semi-major axis
7,152.771 km
Eccentricity
0.00022
Inclination
86.3957°
RAAN
55.3697°
Arg. of periapsis
83.5171°
True anomaly
276.60247°
Mean anomaly
276.6279°
Eccentric anomaly
276.61519°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000020884
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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 | 2026-06-22 15:50:12.527Z | 134.673° SE | 2026-06-22 15:54:12.527Z | 74.243° E | 24.658° | 2026-06-22 15:57:12.527Z | 32.49° NE |
| 7 mins | 2026-06-22 17:31:12.527Z | 227.602° WSW | 2026-06-22 17:34:12.527Z | 276.187° WNW | 27.442° | 2026-06-22 17:38:12.527Z | 337.149° NNW |
| 8 mins | 2026-06-23 04:01:12.527Z | 8.015° NNE | 2026-06-23 04:05:12.527Z | 115.288° SE | 41.332° | 2026-06-23 04:09:12.527Z | 166.513° S |
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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