Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

43076, 2017-083G

Orbit

LEO

Last TLE update

13 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 (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 13 hours ago

0 IRIDIUM 137
1 43076U 17083G   25167.27276734  .00000070  00000-0  17929-4 0  9997
2 43076  86.3969 115.1298 0001781  73.5130 286.6261 14.34217563391725

Epoch: 2025-06-16T06:32Z

TLE epoch observation values (Epoch: 2025-06-16T06:32:47.098Z)

Latitude

-0.00004°

Longitude

112.14767°

Altitude

780.354 km

Speed

7.464 km/s

True Right ascension

07h 40m 31s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-65.33601°

Longitude

-60.2365°

Altitude

803.885 km

Speed

7.45 km/s

Apparent Right ascension

18h 52m 42s

Apparent Declination

-54° 12' 23"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

06:05:16

Azimuth

205.244° SW

Elevation

-73.636°

Doppler factor

Orbital elements

Apogee altitude

775.906 km

Perigee altitude

773.358 km

Semi-major axis

7,152.769 km

Eccentricity

0.00018

Inclination

86.3969°

RAAN

115.1298°

Arg. of periapsis

73.513°

True anomaly

Unknown

Mean anomaly

286.6261°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000017929

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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.
7 mins	2025-06-16 20:04:29.802Z	126.691° SE	2025-06-16 20:07:29.802Z	87.508° E	20.819°	2025-06-16 20:11:29.802Z	33.887° NE
8 mins	2025-06-16 21:44:29.802Z	214.904° SW	2025-06-16 21:48:29.802Z	283.846° WNW	31.927°	2025-06-16 21:52:29.802Z	343.364° N
8 mins	2025-06-17 08:15:29.802Z	16.063° NNE	2025-06-17 08:18:29.802Z	74.737° E	37.948°	2025-06-17 08:23:29.802Z	159.794° S
4 mins	2025-06-17 09:57:29.802Z	300.683° NW	2025-06-17 09:58:29.802Z	287.198° WNW	16.229°	2025-06-17 10:01:29.802Z	248.187° W

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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.