Showing default

IRIDIUM 125, 42964

Orbit data source: Space-Track

IRIDIUM 125, 42964 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/42964?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/42964?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

42964, 2017-061K

Orbit

LEO

Country

Related business

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 (9 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, 4.8 m

Radar Cross Section

10.154 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 IRIDIUM 125
1 42964U 17061K   26275.90003163 -.00000020  00000-0 -14132-4 0  9993
2 42964  86.4010 340.3824 0002152  81.9660 278.1780 14.34217361470297

Epoch: 2026-10-02T21:36Z

TLE epoch observation values (Epoch: 2026-10-02T21:36:02.732Z)

Latitude

-0.00004°

Longitude

4.75566°

Altitude

780.501 km

Speed

7.464 km/s

True Right ascension

22h 41m 31s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

03:26:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.172 km

Perigee altitude

773.094 km

Semi-major axis

7,152.77 km

Eccentricity

0.00022

Inclination

86.401°

RAAN

340.3824°

Arg. of periapsis

81.966°

True anomaly

278.15359°

Mean anomaly

278.178°

Eccentric anomaly

278.16579°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

-0.000014132

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

IRIDIUM 125 Visibility forecast

Loading observer location...
Set Observer location

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.
10 mins	2026-10-03 16:35:13.877Z	356.995° N	2026-10-03 16:40:13.877Z	262.903° W	87.983°	2026-10-03 16:45:13.877Z	179.961° S
6 mins	2026-10-04 03:53:13.877Z	117.634° SE	2026-10-04 03:56:13.877Z	73.546° E	21.522°	2026-10-04 03:59:13.877Z	35.905° NE
7 mins	2026-10-04 05:33:13.877Z	219.979° SW	2026-10-04 05:36:13.877Z	279.197° WNW	40.422°	2026-10-04 05:40:13.877Z	343.201° N

Items per page:

1–3 of 3 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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 descending order

Check out IRIDIUM 125, 42964 on other resources

View IRIDIUM 125, 42964 on NASA - NSSDCA Website

View IRIDIUM 125, 42964 on Heavens-Above

View IRIDIUM 125, 42964 on Keep Track

View IRIDIUM 125, 42964 on Celestrak

View IRIDIUM 125, 42964 on Gunter's Space Page

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

IRIDIUM 125, 42964

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-10-02T21:36:02.732Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 125 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 125, 42964 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago