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IRIDIUM 137, 43076

Orbit data source: Space-Track

IRIDIUM 137, 43076 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/43076?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/43076?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43076, 2017-083G

Orbit

LEO

Last TLE update

22 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 22 hours ago

0 IRIDIUM 137
1 43076U 17083G   25181.85438721  .00000044  00000-0  86674-5 0  9998
2 43076  86.3974 109.0374 0001605  90.0532 270.0848 14.34217876393810

Epoch: 2025-06-30T20:30Z

TLE epoch observation values (Epoch: 2025-06-30T20:30:19.054Z)

Latitude

-0.00002°

Longitude

-117.70021°

Altitude

780.716 km

Speed

7.463 km/s

True Right ascension

07h 16m 08s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-47.29187°

Longitude

-121.96577°

Altitude

796.86 km

Speed

7.453 km/s

Apparent Right ascension

12h 24m 23s

Apparent Declination

-80° 09' 19"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

05:42:53

Azimuth

167.127° S

Elevation

-40.983°

Doppler factor

Orbital elements

Apogee altitude

775.779 km

Perigee altitude

773.483 km

Semi-major axis

7,152.768 km

Eccentricity

0.00016

Inclination

86.3974°

RAAN

109.0374°

Arg. of periapsis

90.0532°

True anomaly

Unknown

Mean anomaly

270.0848°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.0000086674

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

IRIDIUM 137 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.
5 mins	2025-07-01 18:25:11.343Z	111.522° ESE	2025-07-01 18:28:11.343Z	74.398° E	15.176°	2025-07-01 18:30:11.343Z	49.701° ENE
8 mins	2025-07-01 20:04:11.343Z	200.838° SSW	2025-07-01 20:08:11.343Z	281.999° WNW	39.583°	2025-07-01 20:12:11.343Z	350.595° N
8 mins	2025-07-02 06:35:11.343Z	24.605° NE	2025-07-02 06:38:11.343Z	74.077° E	30.221°	2025-07-02 06:43:11.343Z	147.816° SSE
6 mins	2025-07-02 08:16:11.343Z	319.286° NNW	2025-07-02 08:19:11.343Z	273.937° WNW	22.271°	2025-07-02 08:22:11.343Z	232.317° WSW

Authenticating...

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Check out IRIDIUM 137, 43076 on other resources

View IRIDIUM 137, 43076 on NASA - NSSDCA Website

View IRIDIUM 137, 43076 on Heavens-Above

View IRIDIUM 137, 43076 on Keep Track

View IRIDIUM 137, 43076 on Celestrak

View IRIDIUM 137, 43076 on Gunter's Space Page

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