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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Edit Public Description
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, 4.7 m
Radar Cross Section
14.423 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 IRIDIUM 135
1 43070U 17083A 25260.00781174 -.00000004 00000-0 -84926-5 0 9996
2 43070 86.3907 76.2112 0001975 84.3597 275.7823 14.34217512404996Epoch: 2025-09-17T00:11Z
TLE epoch observation values (Epoch: 2025-09-17T00:11:14.934Z)
Latitude
-0.00011°
Longitude
77.20903°
Altitude
780.577 km
Speed
7.464 km/s
True Right ascension
05h 04m 50s
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
11:27:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.045 km
Perigee altitude
773.22 km
Semi-major axis
7,152.77 km
Eccentricity
0.0002
Inclination
86.3907°
RAAN
76.2112°
Arg. of periapsis
84.3597°
True anomaly
275.75978°
Mean anomaly
275.7823°
Eccentric anomaly
275.77104°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.0000084926
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-17 22:33:17.921Z | 46.571° ENE | 2025-09-17 22:35:17.921Z | 69.926° E | 13.093° | 2025-09-17 22:37:17.921Z | 94.377° ESE |
| 8 mins | 2025-09-18 00:13:17.921Z | 348.179° N | 2025-09-18 00:17:17.921Z | 237.529° WSW | 41.576° | 2025-09-18 00:21:17.921Z | 190.457° SSW |
| 7 mins | 2025-09-18 11:29:17.921Z | 130.578° SE | 2025-09-18 11:32:17.921Z | 83.358° E | 25.39° | 2025-09-18 11:36:17.921Z | 28° NE |
| 7 mins | 2025-09-18 13:10:17.921Z | 233.932° WSW | 2025-09-18 13:13:17.921Z | 288.28° WNW | 26.764° | 2025-09-18 13:17:17.921Z | 340.355° N |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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