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IRIDIUM 100, 42956

Orbit data source: Space-Track

IRIDIUM 100, 42956 is a payload satellite owned by Iridium (US) in LEO that was launched on Mon, 09 Oct 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/42956?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/42956?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42956, 2017-061B

Orbit

LEO

Last TLE update

1 day 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)

2017-10-09 (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 1 day ago

0 IRIDIUM 100
1 42956U 17061B   25195.62465910  .00000039  00000-0  70366-5 0  9995
2 42956  86.4006 166.2768 0002179  81.7576 278.3867 14.34217131406391

Epoch: 2025-07-14T14:59Z

TLE epoch observation values (Epoch: 2025-07-14T14:59:30.546Z)

Latitude

0.00001°

Longitude

8.66867°

Altitude

780.493 km

Speed

7.464 km/s

True Right ascension

11h 05m 06s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-86.39594°

Longitude

-75.23757°

Altitude

807.952 km

Speed

7.448 km/s

Apparent Right ascension

19h 49m 38s

Apparent Declination

-68° 03' 24"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

07:37:27

Azimuth

182.407° SSW

Elevation

-61.81°

Doppler factor

Orbital elements

Apogee altitude

776.192 km

Perigee altitude

773.075 km

Semi-major axis

7,152.771 km

Eccentricity

0.00022

Inclination

86.4006°

RAAN

166.2768°

Arg. of periapsis

81.7576°

True anomaly

Unknown

Mean anomaly

278.3867°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.0000070366

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Other satellites on launch #61 in the year 2017 (2017-10-09 UTC)

IRIDIUM 100 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.
4 mins	2025-07-15 21:17:24.228Z	103.88° ESE	2025-07-15 21:19:24.228Z	78.602° E	14.865°	2025-07-15 21:21:24.228Z	53.321° ENE
8 mins	2025-07-15 22:56:24.228Z	203.183° SW	2025-07-15 22:59:24.228Z	266.258° W	40.046°	2025-07-15 23:04:24.228Z	353.445° N
8 mins	2025-07-16 09:26:24.228Z	22.765° NE	2025-07-16 09:30:24.228Z	91.728° ESE	29.512°	2025-07-16 09:34:24.228Z	145.405° SSE
7 mins	2025-07-16 11:07:24.228Z	322.758° NNW	2025-07-16 11:10:24.228Z	279.494° WNW	22.801°	2025-07-16 11:14:24.228Z	226.037° WSW

Authenticating...

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Check out IRIDIUM 100, 42956 on other resources

View IRIDIUM 100, 42956 on NASA - NSSDCA Website

View IRIDIUM 100, 42956 on Heavens-Above

View IRIDIUM 100, 42956 on Keep Track

View IRIDIUM 100, 42956 on Celestrak

View IRIDIUM 100, 42956 on Gunter's Space Page

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