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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 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

Last TLE update

15 hours ago

Origin

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, 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

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

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 mins	2025-07-11 05:21:39.697Z	28.925° NE	2025-07-11 05:25:39.697Z	82.403° E	20.839°	2025-07-11 05:28:39.697Z	122.736° SE
8 mins	2025-07-11 07:02:39.697Z	335.059° NNW	2025-07-11 07:06:39.697Z	262.085° W	31.784°	2025-07-11 07:10:39.697Z	208.565° SW
7 mins	2025-07-11 18:18:39.697Z	149.795° SSE	2025-07-11 18:21:39.697Z	87.272° E	36.293°	2025-07-11 18:25:39.697Z	18.329° NNE
5 mins	2025-07-11 20:00:39.697Z	255.912° W	2025-07-11 20:02:39.697Z	283.997° WNW	17.827°	2025-07-11 20:05:39.697Z	322.751° NNW

Authenticating...

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Check out IRIDIUM 151, 43074 on other resources

View IRIDIUM 151, 43074 on NASA - NSSDCA Website

View IRIDIUM 151, 43074 on Heavens-Above

View IRIDIUM 151, 43074 on Keep Track

View IRIDIUM 151, 43074 on Celestrak

View IRIDIUM 151, 43074 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.