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IRIDIUM 123, 42804

Orbit data source: Space-Track

IRIDIUM 123, 42804 is a payload satellite owned by Iridium (US) in LEO that was launched on Sun, 25 Jun 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/42804?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42804, 2017-039B

Orbit

LEO

Last TLE update

14 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)

2017-06-25 (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 14 hours ago

0 IRIDIUM 123
1 42804U 17039B   25115.22887661  .00000074  00000-0  19453-4 0  9999
2 42804  86.4010 168.3309 0002093  99.6507 260.4925 14.34218069410044

Epoch: 2025-04-25T05:29Z

Definitive object data (Epoch: 2025-04-25T05:29:34.939Z)

Latitude

-0.00003°

Longitude

-127.55364°

Altitude

780.965 km

Speed

7.463 km/s

True Right ascension

11h 13m 19s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at TLE epoch

Visualization TLE readout

Latitude

83.35646°

Longitude

-95.30443°

Altitude

789.894 km

Speed

7.466 km/s

Apparent Right ascension

14h 22m 28s

Apparent Declination

27° 59' 11"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

02:32:34

Azimuth

2.406° NNE

Elevation

-22.057°

Doppler factor

Orbital elements

Apogee altitude

776.128 km

Perigee altitude

773.133 km

Semi-major axis

7,152.767 km

Eccentricity

0.0002093

Inclination

86.401°

RAAN

168.3309°

Arg. of periapsis

99.6507°

True anomaly

260.46885°

Mean anomaly

260.4925°

Eccentric anomaly

260.48067°

Mean motion

3.58783 °/min

BSTAR

0.000019453

Orbital period

100.34 mins

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Other satellites on launch #39 in the year 2017 (2017-06-25 UTC)

IRIDIUM 123 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.
8 mins	2025-04-26 03:22:49.469Z	147.244° SSE	2025-04-26 03:26:49.469Z	85.611° E	30.939°	2025-04-26 03:30:49.469Z	23.451° NE
6 mins	2025-04-26 05:04:49.469Z	240.13° WSW	2025-04-26 05:07:49.469Z	285.143° WNW	21.886°	2025-04-26 05:10:49.469Z	327.116° NNW
9 mins	2025-04-26 15:33:49.469Z	358.729° N	2025-04-26 15:37:49.469Z	40.678° NE	44.895°	2025-04-26 15:42:49.469Z	177.627° S

Authenticating...

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Check out IRIDIUM 123, 42804 on other resources

View IRIDIUM 123, 42804 on NASA - NSSDCA Website

View IRIDIUM 123, 42804 on Heavens-Above

View IRIDIUM 123, 42804 on Keep Track

View IRIDIUM 123, 42804 on Celestrak

View IRIDIUM 123, 42804 on Gunter's Space Page

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