INTELSAT 31, 41581
Orbit data source: Space-Track
INTELSAT 31, 41581 is an American payload satellite in GEO that was launched on Thu, 09 Jun 2016 UTC via a PROTON-M/BRIZ-M launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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41581 intel report (Beta)
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Identifier
Orbit
Country
US / ITSORelated business
Manufacturer
SS/Loral (MDA)
Mission
Operational Commercial Communications
Bus & Motor
LS-1300S, R-4D-11
Mass
6,450 kg wet, 3,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 16.2 m
Radar Cross Section
55.801 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 INTELSAT 31
1 41581U 16035A 26318.35331757 -.00000139 00000-0 00000+0 0 9991
2 41581 0.0167 273.6001 0001445 347.9877 184.0380 1.00271352 38188Epoch: 2026-11-14T08:28Z
TLE epoch observation values (Epoch: 2026-11-14T08:28:46.638Z)
Latitude
0.00879°
Longitude
-95.05832°
Altitude
35,792.298 km
Speed
3.074 km/s
True Right ascension
05h 42m 22s
True Declination
0° 00' 32"
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
20:38:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,793.88 km
Perigee altitude
35,781.694 km
Semi-major axis
42,165.924 km
Eccentricity
0.00014
Inclination
0.0167°
RAAN
273.6001°
Arg. of periapsis
347.9877°
True anomaly
184.03683°
Mean anomaly
184.038°
Eccentric anomaly
184.03742°
Mean motion
0.25067 °/min
Orbital period
1,436.16 mins
BSTAR
0
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Other satellites on launch #35 in the year 2016 (2016-06-09 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.INTELSAT 31 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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2026-11-15 00:02:50.903Z | 164.506° S | 2026-11-15 04:25:50.903Z | 164.504° S | 42.718° | 2026-11-16 00:02:50.903Z | 164.51° S |
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41581 neighbors
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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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