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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 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

10 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)

2017-10-09 (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 10 hours ago

0 IRIDIUM 100
1 42956U 17061B   25181.88026333  .00000011  00000-0 -30672-5 0  9997
2 42956  86.3999 172.0137 0002245  82.6024 277.5427 14.34217555404423

Epoch: 2025-06-30T21:07Z

TLE epoch observation values (Epoch: 2025-06-30T21:07:34.751Z)

Latitude

-0.00002°

Longitude

-64.06482°

Altitude

780.508 km

Speed

7.464 km/s

True Right ascension

11h 28m 03s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-68.80685°

Longitude

125.05783°

Altitude

805.166 km

Speed

7.449 km/s

Apparent Right ascension

04h 22m 30s

Apparent Declination

-63° 14' 11"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:17:10

Azimuth

153.396° SSE

Elevation

-61.161°

Doppler factor

Orbital elements

Apogee altitude

776.238 km

Perigee altitude

773.026 km

Semi-major axis

7,152.769 km

Eccentricity

0.00022

Inclination

86.3999°

RAAN

172.0137°

Arg. of periapsis

82.6024°

True anomaly

Unknown

Mean anomaly

277.5427°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

-0.0000030672

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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.
9 mins	2025-07-01 11:05:20.547Z	8.769° NNE	2025-07-01 11:10:20.547Z	88.29° E	37.534°	2025-07-01 11:14:20.547Z	156.259° SSE
5 mins	2025-07-01 12:48:20.547Z	309.096° NW	2025-07-01 12:50:20.547Z	282.648° WNW	16.757°	2025-07-01 12:53:20.547Z	244.507° WSW
9 mins	2025-07-02 00:02:20.547Z	189.188° SSW	2025-07-02 00:06:20.547Z	290.641° WNW	43.915°	2025-07-02 00:11:20.547Z	358.969° N

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.