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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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Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/43074?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/43074?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43074, 2017-083E

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

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, 4.7 m

Radar Cross Section

14.423 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 IRIDIUM 151
1 43074U 17083E   25243.26971190  .00000033  00000-0  47369-5 0  9998
2 43074  86.3907  83.2609 0002241  87.2393 272.9059 14.34217846402585

Epoch: 2025-08-31T06:28Z

TLE epoch observation values (Epoch: 2025-08-31T06:28:23.108Z)

Latitude

-0.00003°

Longitude

6.47254°

Altitude

780.637 km

Speed

7.464 km/s

True Right ascension

05h 33m 02s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

08:03:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.234 km

Perigee altitude

773.029 km

Semi-major axis

7,152.768 km

Eccentricity

0.00022

Inclination

86.3907°

RAAN

83.2609°

Arg. of periapsis

87.2393°

True anomaly

272.88025°

Mean anomaly

272.9059°

Eccentric anomaly

272.89308°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.0000047369

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Other satellites on launch #83 in the year 2017 (2017-12-23 UTC)

IRIDIUM 151 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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.
10 mins	2025-09-01 01:27:32.303Z	359.934° N	2025-09-01 01:32:32.303Z	89.481° E	44.568°	2025-09-01 01:37:32.303Z	174.802° S
5 mins	2025-09-01 12:46:32.303Z	103.606° ESE	2025-09-01 12:48:32.303Z	74.842° E	17.662°	2025-09-01 12:51:32.303Z	38.513° NE
8 mins	2025-09-01 14:24:32.303Z	206.877° SW	2025-09-01 14:28:32.303Z	278.089° WNW	36.188°	2025-09-01 14:32:32.303Z	346.402° N