IRIDIUM 137, 43076
Orbit data source: Space-Track
IRIDIUM 137, 43076 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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43076 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: 12 hours ago
TLE from 12 hours ago
0 IRIDIUM 137
1 43076U 17083G 26046.95096222 .00000020 00000-0 19142-6 0 9997
2 43076 86.3994 12.8111 0001965 98.3614 261.7805 14.34217662426790Epoch: 2026-02-15T22:49Z
TLE epoch observation values (Epoch: 2026-02-15T22:49:23.135Z)
Latitude
-0.00001°
Longitude
-115.4876°
Altitude
780.92 km
Speed
7.463 km/s
True Right ascension
00h 51m 14s
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
13:31:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.037 km
Perigee altitude
773.226 km
Semi-major axis
7,152.769 km
Eccentricity
0.0002
Inclination
86.3994°
RAAN
12.8111°
Arg. of periapsis
98.3614°
True anomaly
261.75821°
Mean anomaly
261.7805°
Eccentric anomaly
261.76936°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
1.9142e-7
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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 137 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-02-16 11:08:56.095Z | 311.171° NW | 2026-02-16 11:10:56.095Z | 286.542° WNW | 15.35° | 2026-02-16 11:13:56.095Z | 248.884° W |
| 8 mins | 2026-02-16 22:23:56.095Z | 195.184° SSW | 2026-02-16 22:26:56.095Z | 261.383° W | 42.869° | 2026-02-16 22:31:56.095Z | 356.819° N |
| 7 mins | 2026-02-17 08:54:56.095Z | 36.1° NE | 2026-02-17 08:57:56.095Z | 90.05° ESE | 26.047° | 2026-02-17 09:01:56.095Z | 140.495° SSE |
| 7 mins | 2026-02-17 10:34:56.095Z | 326.012° NNW | 2026-02-17 10:37:56.095Z | 279.871° WNW | 25.987° | 2026-02-17 10:41:56.095Z | 221.511° SW |
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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