Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/42804?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/42804?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

42804, 2017-039B

Orbit

LEO

Last TLE update

15 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 15 hours ago

0 IRIDIUM 123
1 42804U 17039B   25128.62443260 -.00000052  00000-0 -25744-4 0  9998
2 42804  86.3998 162.7399 0002289 101.9112 258.2340 14.34217444411965

Epoch: 2025-05-08T14:59Z

Definitive object data (Epoch: 2025-05-08T14:59:10.976Z)

Latitude

-0.00009°

Longitude

71.25191°

Altitude

781.054 km

Speed

7.463 km/s

True Right ascension

10h 50m 57s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-23.35867°

Longitude

69.44275°

Altitude

787.427 km

Speed

7.458 km/s

Apparent Right ascension

07h 33m 46s

Apparent Declination

-53° 22' 31"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

14:05:38

Azimuth

226.407° WSW

Elevation

-35.338°

Doppler factor

Orbital elements

Apogee altitude

776.27 km

Perigee altitude

772.995 km

Semi-major axis

7,152.77 km

Eccentricity

0.0002289

Inclination

86.3998°

RAAN

162.7399°

Arg. of periapsis

101.9112°

True anomaly

258.20832°

Mean anomaly

258.234°

Eccentric anomaly

258.22116°

Mean motion

3.58783 °/min

BSTAR

-0.000025744

Orbital period

100.34 mins

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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.
7 mins	2025-05-09 13:19:52.978Z	26.874° NE	2025-05-09 13:23:52.978Z	78.271° E	21.066°	2025-05-09 13:26:52.978Z	120.666° SE
7 mins	2025-05-09 15:01:52.978Z	328.667° NNW	2025-05-09 15:04:52.978Z	268.94° W	31.901°	2025-05-09 15:08:52.978Z	210.108° SW
8 mins	2025-05-10 02:16:52.978Z	151.966° SSE	2025-05-10 02:19:52.978Z	96.424° ESE	36.332°	2025-05-10 02:24:52.978Z	15.073° NNE
5 mins	2025-05-10 03:58:52.978Z	253.192° W	2025-05-10 04:00:52.978Z	280.325° WNW	17.632°	2025-05-10 04:03:52.978Z	320.181° NNW

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 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.