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IRIDIUM 135, 43070

Orbit data source: Space-Track

IRIDIUM 135, 43070 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 23 Dec 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/43070?theme=dark&initialShowStats=false

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Identifier

43070, 2017-083A

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)

2017-12-23 (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, 4.8 m

Radar Cross Section

10.154 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 17 hours ago

TLE from 17 hours ago

0 IRIDIUM 135
1 43070U 17083A   26124.54624014  .00000069  00000-0  17423-4 0  9990
2 43070  86.3975 340.2677 0002140  86.9681 273.1759 14.34218066437898

Epoch: 2026-05-04T13:06Z

TLE epoch observation values (Epoch: 2026-05-04T13:06:35.148Z)

Latitude

-0.00007°

Longitude

-78.81264°

Altitude

780.633 km

Speed

7.464 km/s

True Right ascension

22h 41m 04s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

14:08:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.161 km

Perigee altitude

773.1 km

Semi-major axis

7,152.768 km

Eccentricity

0.00021

Inclination

86.3975°

RAAN

340.2677°

Arg. of periapsis

86.9681°

True anomaly

273.15141°

Mean anomaly

273.1759°

Eccentric anomaly

273.16366°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000017423

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Other satellites on launch #83 in the year 2017 (2017-12-23 UTC)

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IRIDIUM 135 Visibility forecast

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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	2026-05-05 14:20:43.538Z	152.416° SSE	2026-05-05 14:24:43.538Z	87.029° E	34.163°	2026-05-05 14:28:43.538Z	20.525° NNE
5 mins	2026-05-05 16:03:43.538Z	254.357° W	2026-05-05 16:05:43.538Z	284.135° WNW	19.385°	2026-05-05 16:08:43.538Z	324.257° NNW
9 mins	2026-05-06 02:31:43.538Z	354.902° N	2026-05-06 02:35:43.538Z	299.4° NW	44.571°	2026-05-06 02:40:43.538Z	182.845° SSW

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Co-orbital & Co-planar RSOs

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

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

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Check out IRIDIUM 135, 43070 on other resources

View IRIDIUM 135, 43070 on NASA - NSSDCA Website

View IRIDIUM 135, 43070 on Heavens-Above

View IRIDIUM 135, 43070 on Keep Track

View IRIDIUM 135, 43070 on Celestrak

View IRIDIUM 135, 43070 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 135, 43070

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2026-05-04T13:06:35.148Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #83 in the year 2017 (2017-12-23 UTC)

IRIDIUM 135 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 135, 43070 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago