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IRIDIUM 122, 42957

Orbit data source: Space-Track

IRIDIUM 122, 42957 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/42957?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/42957?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42957, 2017-061C

Orbit

LEO

Last TLE update

9 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 9 hours ago

0 IRIDIUM 122
1 42957U 17061C   25181.91831850  .00000027  00000-0  24091-5 0  9994
2 42957  86.3994 171.9970 0002370  85.9615 274.1851 14.34217661404436

Epoch: 2025-06-30T22:02Z

TLE epoch observation values (Epoch: 2025-06-30T22:02:22.718Z)

Latitude

-0.00009°

Longitude

-77.8189°

Altitude

780.595 km

Speed

7.464 km/s

True Right ascension

11h 27m 59s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

57.63743°

Longitude

96.35722°

Altitude

786.104 km

Speed

7.467 km/s

Apparent Right ascension

03h 32m 02s

Apparent Declination

21° 45' 20"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:36:40

Azimuth

43.86° NE

Elevation

-14.809°

Doppler factor

Orbital elements

Apogee altitude

776.327 km

Perigee altitude

772.937 km

Semi-major axis

7,152.769 km

Eccentricity

0.00024

Inclination

86.3994°

RAAN

171.997°

Arg. of periapsis

85.9615°

True anomaly

Unknown

Mean anomaly

274.1851°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.0000024091

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

IRIDIUM 122 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 10:20:47.512Z	34.168° NE	2025-07-01 10:23:47.512Z	71.039° E	17.761°	2025-07-01 10:26:47.512Z	111.724° ESE
8 mins	2025-07-01 12:01:47.512Z	337.88° N	2025-07-01 12:04:47.512Z	284.744° WNW	35.952°	2025-07-01 12:09:47.512Z	201.414° SSW
8 mins	2025-07-01 23:16:47.512Z	147.82° SSE	2025-07-01 23:20:47.512Z	78.9° E	32.128°	2025-07-01 23:24:47.512Z	20.907° NNE
6 mins	2025-07-02 00:58:47.512Z	244.056° WSW	2025-07-02 01:01:47.512Z	288.972° WNW	20.69°	2025-07-02 01:04:47.512Z	328.232° NNW

Authenticating...

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Check out IRIDIUM 122, 42957 on other resources

View IRIDIUM 122, 42957 on NASA - NSSDCA Website

View IRIDIUM 122, 42957 on Heavens-Above

View IRIDIUM 122, 42957 on Keep Track

View IRIDIUM 122, 42957 on Celestrak

View IRIDIUM 122, 42957 on Gunter's Space Page

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