Showing default

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.

Loading next visibility...

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

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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 (9 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, 4.8 m

Radar Cross Section

10.154 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 IRIDIUM 151
1 43074U 17083E   26312.16012836  .00000234  00000-0  76600-4 0  9990
2 43074  86.3941 261.8419 0002218  86.4447 273.7003 14.34217909464778

Epoch: 2026-11-08T03:50Z

TLE epoch observation values (Epoch: 2026-11-08T03:50:35.090Z)

Latitude

0.00004°

Longitude

156.84067°

Altitude

780.615 km

Speed

7.464 km/s

True Right ascension

17h 27m 22s

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

01:20:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.218 km

Perigee altitude

773.045 km

Semi-major axis

7,152.768 km

Eccentricity

0.00022

Inclination

86.3941°

RAAN

261.8419°

Arg. of periapsis

86.4447°

True anomaly

273.67494°

Mean anomaly

273.7003°

Eccentric anomaly

273.68762°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.0000766

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

IRIDIUM 151 Visibility forecast

Loading observer location...
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	2026-11-09 08:52:24.746Z	358.295° N	2026-11-09 08:57:24.746Z	34.724° NE	84.077°	2026-11-09 09:02:24.746Z	177.504° S
6 mins	2026-11-09 20:10:24.746Z	117.763° SE	2026-11-09 20:13:24.746Z	76.256° E	20.263°	2026-11-09 20:16:24.746Z	38.295° NE
8 mins	2026-11-09 21:50:24.746Z	215.912° SW	2026-11-09 21:53:24.746Z	274.426° WNW	43.379°	2026-11-09 21:58:24.746Z	348.73° N

Items per page:

1–3 of 3 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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 descending order

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.

IRIDIUM 151, 43074

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-11-08T03:50:35.090Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 151 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 151, 43074 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago