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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: 7 hours ago

TLE from 7 hours ago

0 IRIDIUM 135
1 43070U 17083A   26078.84786076  .00000080  00000-0  21541-4 0  9997
2 43070  86.4029 359.3534 0002144  84.9924 275.1516 14.34217140431343

Epoch: 2026-03-19T20:20Z

TLE epoch observation values (Epoch: 2026-03-19T20:20:55.169Z)

Latitude

-0.00009°

Longitude

-123.26787°

Altitude

780.583 km

Speed

7.464 km/s

True Right ascension

23h 57m 24s

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

08:14:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.167 km

Perigee altitude

773.1 km

Semi-major axis

7,152.771 km

Eccentricity

0.00021

Inclination

86.4029°

RAAN

359.3534°

Arg. of periapsis

84.9924°

True anomaly

275.12713°

Mean anomaly

275.1516°

Eccentric anomaly

275.13937°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000021541

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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	2026-03-20 06:59:18.874Z	351.397° N	2026-03-20 07:02:18.874Z	311.899° NW	43.123°	2026-03-20 07:07:18.874Z	186.308° SSW
7 mins	2026-03-20 18:15:18.874Z	126.811° SE	2026-03-20 18:18:18.874Z	81.688° E	23.319°	2026-03-20 18:22:18.874Z	29.246° NE
8 mins	2026-03-20 19:55:18.874Z	221.739° SW	2026-03-20 19:58:18.874Z	267.031° W	28.807°	2026-03-20 20:03:18.874Z	342.764° N

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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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-03-19T20:20:55.169Z)

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: 7 hours ago