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IRIDIUM 156, 43576

Orbit data source: Space-Track

IRIDIUM 156, 43576 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
43576, 2018-061H
Orbit
LEO
Last TLE update
16 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 16 hours ago
0 IRIDIUM 156
1 43576U 18061H   25175.06539922  .00000052  00000-0  11610-4 0  9997
2 43576  86.3982 206.3486 0002426  82.8342 277.3130 14.34218090362032
Epoch: 2025-06-24T01:34Z
TLE epoch observation values (Epoch: 2025-06-24T01:34:10.492Z)
Latitude
0.00001°
Longitude
-89.66179°
Altitude
780.496 km
Speed
7.464 km/s
True Right ascension
13h 45m 23s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
36.21376°
Longitude
87.43645°
Altitude
781.891 km
Speed
7.467 km/s
Apparent Right ascension
21h 48m 14s
Apparent Declination
1° 56' 06"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
04:30:25
Azimuth
278.297° WNW
Elevation
-6.814°
Doppler factor
1
Orbital elements
Apogee altitude
776.366 km
Perigee altitude
772.895 km
Semi-major axis
7,152.767 km
Eccentricity
0.00024
Inclination
86.3982°
RAAN
206.3486°
Arg. of periapsis
82.8342°
True anomaly
Unknown
Mean anomaly
277.313°
Eccentric anomaly
Unknown
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00001161
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IRIDIUM 156 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 02:48:27.046Z190.555° SSW2025-06-25 02:52:27.046Z285.964° WNW43.581°2025-06-25 02:57:27.046Z358.311° N
7 mins2025-06-25 13:19:27.046Z29.682° NE2025-06-25 13:22:27.046Z74.662° E25.233°2025-06-25 13:26:27.046Z133.985° SE
7 mins2025-06-25 15:00:27.046Z324.638° NNW2025-06-25 15:03:27.046Z274.082° WNW27.093°2025-06-25 15:07:27.046Z218.168° SW
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