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IRIDIUM 155, 43573

Orbit data source: Space-Track

IRIDIUM 155, 43573 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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Identifier
43573, 2018-061E
Orbit
LEO
Last TLE update
4 hours ago
Origin
Manufacturer
NGIS SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
2018-07-25 (7 years ago)
Launch vehicle
FALCON 9
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Trap Box + 2 Pan, 9.4 m
Radar Cross Section
14.423 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 4 hours ago
0 IRIDIUM 155
1 43573U 18061E   25175.54743617  .00000072  00000-0  18480-4 0  9999
2 43573  86.3980 206.0980 0002517  85.4756 274.6727 14.34218224362101
Epoch: 2025-06-24T13:08Z
TLE epoch observation values (Epoch: 2025-06-24T13:08:18.485Z)
Latitude
-0.00003°
Longitude
96.07919°
Altitude
780.57 km
Speed
7.464 km/s
True Right ascension
13h 44m 23s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
32.9322°
Longitude
98.34262°
Altitude
780.944 km
Speed
7.467 km/s
Apparent Right ascension
14h 45m 45s
Apparent Declination
-1° 04' 38"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
03:50:16
Azimuth
24.771° NE
Elevation
-48.481°
Doppler factor
1
Orbital elements
Apogee altitude
776.43 km
Perigee altitude
772.83 km
Semi-major axis
7,152.767 km
Eccentricity
0.00025
Inclination
86.398°
RAAN
206.098°
Arg. of periapsis
85.4756°
True anomaly
Unknown
Mean anomaly
274.6727°
Eccentric anomaly
Unknown
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00001848
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IRIDIUM 155 Visibility forecast

Observer location: undefined°, undefined°

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.
9 mins2025-06-25 02:38:24.006Z181.888° SSW2025-06-25 02:43:24.006Z345.944° N44.74°2025-06-25 02:47:24.006Z1.71° NNE
7 mins2025-06-25 13:10:24.006Z34.269° NE2025-06-25 13:13:24.006Z76.983° E21.663°2025-06-25 13:17:24.006Z129.517° SE
7 mins2025-06-25 14:51:24.006Z328.452° NNW2025-06-25 14:54:24.006Z271.145° WNW31.214°2025-06-25 14:58:24.006Z211.601° SW
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