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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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Identifier
41581, 2016-035A
Orbit
GEO
Last TLE update
20 hours ago
Origin
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)
2016-06-09 (9 years ago)
Launch vehicle
PROTON-M/BRIZ-M
Launch site
Tyuratam Missile And Space Complex (TTMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan, Unknown HBR
Radar Cross Section
55.801 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 20 hours ago
0 INTELSAT 31
1 41581U 16035A   25170.55566483 -.00000138  00000-0  00000-0 0  9994
2 41581   0.0156 301.3205 0001989 290.6692 140.9959  1.00268865 33041
Epoch: 2025-06-19T13:20Z
TLE epoch observation values (Epoch: 2025-06-19T13:20:09.441Z)
Latitude
0.02323°
Longitude
-95.06506°
Altitude
35,793.41 km
Speed
3.074 km/s
True Right ascension
00h 51m 59s
True Declination
0° 01' 24"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-0.00103°
Longitude
-150.08579°
Altitude
35,786.309 km
Speed
3.075 km/s
Apparent Right ascension
21h 17m 08s
Apparent Declination
-6° 13' 16"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
20:31:41
Azimuth
164.544° S
Elevation
42.686°
Doppler factor
1
Orbital elements
Apogee altitude
35,796.871 km
Perigee altitude
35,780.097 km
Semi-major axis
42,166.621 km
Eccentricity
0.0002
Inclination
0.0156°
RAAN
301.3205°
Arg. of periapsis
290.6692°
True anomaly
Unknown
Mean anomaly
140.9959°
Eccentric anomaly
Unknown
Mean motion
0.25066 °/min
Orbital period
1,436.19 mins
BSTAR
0
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41581 neighbors
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Other satellites on launch #35 in the year 2016 (2016-06-09 UTC)

INTELSAT 31 Visibility forecast

Observer location: undefined°, undefined°

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 mins2025-06-20 09:36:44.604Z164.55° S2025-06-20 16:56:44.604Z164.589° S34.149°2025-06-21 09:36:44.604Z164.564° S
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