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IRIDIUM 151, 43074

Orbit data source: Space-Track

IRIDIUM 151, 43074 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 23 Dec 2017 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
43074, 2017-083E
Orbit
LEO
Last TLE update
15 hours ago
Origin
Manufacturer
OATK SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
2017-12-23 (8 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 15 hours ago
0 IRIDIUM 151
1 43074U 17083E   25191.50147185  .00000032  00000-0  43502-5 0  9990
2 43074  86.3968 104.9171 0001949  85.5351 274.6067 14.34217634395164
Epoch: 2025-07-10T12:02Z
TLE epoch observation values (Epoch: 2025-07-10T12:02:07.167Z)
Latitude
-0.00009°
Longitude
-4.27961°
Altitude
780.607 km
Speed
7.464 km/s
True Right ascension
06h 59m 40s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-86.00401°
Longitude
-68.25612°
Altitude
807.788 km
Speed
7.448 km/s
Apparent Right ascension
02h 56m 54s
Apparent Declination
-64° 17' 42"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
14:58:15
Azimuth
179.646° S
Elevation
-65.62°
Doppler factor
1
Orbital elements
Apogee altitude
776.026 km
Perigee altitude
773.238 km
Semi-major axis
7,152.769 km
Eccentricity
0.00019
Inclination
86.3968°
RAAN
104.9171°
Arg. of periapsis
85.5351°
True anomaly
Unknown
Mean anomaly
274.6067°
Eccentric anomaly
Unknown
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.0000043502
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IRIDIUM 151 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.
7 mins2025-07-11 05:21:39.697Z28.925° NE2025-07-11 05:25:39.697Z82.403° E20.839°2025-07-11 05:28:39.697Z122.736° SE
8 mins2025-07-11 07:02:39.697Z335.059° NNW2025-07-11 07:06:39.697Z262.085° W31.784°2025-07-11 07:10:39.697Z208.565° SW
7 mins2025-07-11 18:18:39.697Z149.795° SSE2025-07-11 18:21:39.697Z87.272° E36.293°2025-07-11 18:25:39.697Z18.329° NNE
5 mins2025-07-11 20:00:39.697Z255.912° W2025-07-11 20:02:39.697Z283.997° WNW17.827°2025-07-11 20:05:39.697Z322.751° NNW
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