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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43070 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
OATK SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Trap Box + 2 Pan, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 IRIDIUM 135
1 43070U 17083A 26131.31378649 .00000006 00000-0 -49291-5 0 9994
2 43070 86.3962 337.4377 0002029 87.6687 272.4741 14.34217560438868Epoch: 2026-05-11T07:31Z
TLE epoch observation values (Epoch: 2026-05-11T07:31:51.152Z)
Latitude
-0.00005°
Longitude
-4.62974°
Altitude
780.656 km
Speed
7.464 km/s
True Right ascension
22h 29m 45s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
00:40:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.084 km
Perigee altitude
773.181 km
Semi-major axis
7,152.769 km
Eccentricity
0.0002
Inclination
86.3962°
RAAN
337.4377°
Arg. of periapsis
87.6687°
True anomaly
272.45087°
Mean anomaly
272.4741°
Eccentric anomaly
272.46249°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.0000049291
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Other satellites on launch #83 in the year 2017 (2017-12-23 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-12 00:51:56.340Z | 33.138° NE | 2026-05-12 00:54:56.340Z | 74.527° E | 21.4° | 2026-05-12 00:58:56.340Z | 128.1° SE |
| 7 mins | 2026-05-12 02:32:56.340Z | 330.083° NNW | 2026-05-12 02:35:56.340Z | 275.013° WNW | 31.531° | 2026-05-12 02:39:56.340Z | 212.003° SW |
| 8 mins | 2026-05-12 13:47:56.340Z | 154.151° SSE | 2026-05-12 13:50:56.340Z | 104.62° ESE | 36.332° | 2026-05-12 13:55:56.340Z | 15.418° NNE |
| 5 mins | 2026-05-12 15:29:56.340Z | 251.161° W | 2026-05-12 15:31:56.340Z | 277.22° WNW | 17.189° | 2026-05-12 15:34:56.340Z | 317.667° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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