Showing default

IRIDIUM 156, 43576

Orbit data source: Space-Track

IRIDIUM 156, 43576 is a payload satellite owned by Iridium (US) in LEO that was launched on Wed, 25 Jul 2018 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/43576?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/43576?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

43576, 2018-061H

Orbit

LEO

Last TLE update

19 hours ago

Origin

Iridium Communications Inc. (US)

Manufacturer

NGIS SSG Gilbert

Mission

Operational Commercial Communications

Bus & Motor

ELITEBUS, Unknown motor

Mass

860 kg wet, 700 kg dry

Launch date (UTC)

2018-07-25 (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 19 hours ago

0 IRIDIUM 156
1 43576U 18061H   25181.76317690  .00000115  00000-0  34125-4 0  9993
2 43576  86.3979 203.5518 0002251  81.9264 278.2187 14.34217198363000

Epoch: 2025-06-30T18:18Z

TLE epoch observation values (Epoch: 2025-06-30T18:18:58.484Z)

Latitude

-0.00002°

Longitude

9.7398°

Altitude

780.49 km

Speed

7.464 km/s

True Right ascension

13h 34m 12s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

46.0561°

Longitude

-174.31674°

Altitude

783.876 km

Speed

7.467 km/s

Apparent Right ascension

06h 22m 06s

Apparent Declination

69° 58' 02"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

01:00:21

Azimuth

26.281° NE

Elevation

40.279°

Doppler factor

Orbital elements

Apogee altitude

776.244 km

Perigee altitude

773.023 km

Semi-major axis

7,152.77 km

Eccentricity

0.00023

Inclination

86.3979°

RAAN

203.5518°

Arg. of periapsis

81.9264°

True anomaly

Unknown

Mean anomaly

278.2187°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000034125

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #61 in the year 2018 (2018-07-25 UTC)

IRIDIUM 156 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.
6 mins	2025-07-01 13:21:26.154Z	26.593° NE	2025-07-01 13:23:26.154Z	105.198° ESE	40.292°	2025-07-01 13:27:26.154Z	163.288° S
4 mins	2025-07-02 00:37:26.154Z	96.263° ESE	2025-07-02 00:38:26.154Z	84.032° E	13.395°	2025-07-02 00:41:26.154Z	48.334° ENE
8 mins	2025-07-02 02:15:26.154Z	196.948° SSW	2025-07-02 02:19:26.154Z	300.338° NW	41.144°	2025-07-02 02:23:26.154Z	354.267° N
7 mins	2025-07-02 12:46:26.154Z	29.864° NE	2025-07-02 12:49:26.154Z	81.047° E	27.874°	2025-07-02 12:53:26.154Z	139.935° SSE

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 156, 43576 on other resources

View IRIDIUM 156, 43576 on NASA - NSSDCA Website

View IRIDIUM 156, 43576 on Heavens-Above

View IRIDIUM 156, 43576 on Keep Track

View IRIDIUM 156, 43576 on Celestrak

View IRIDIUM 156, 43576 on Gunter's Space Page

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