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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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https://www.satcat.com/sats-embedded/41581?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41581, 2016-035A

Orbit

GEO

Last TLE update

2 days ago

Origin

Intelsat (Unknown / ITSO)

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 2 days ago

0 INTELSAT 31
1 41581U 16035A   25188.33051639 -.00000134  00000-0  00000-0 0  9997
2 41581   0.0148  16.7409 0001393 214.0586  78.6643  1.00272600 33225

Epoch: 2025-07-07T07:55Z

TLE epoch observation values (Epoch: 2025-07-07T07:55:56.616Z)

Latitude

-0.03625°

Longitude

-95.04655°

Altitude

35,784.681 km

Speed

3.075 km/s

True Right ascension

20h 37m 55s

True Declination

0° 02' 10"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-0.04229°

Longitude

-104.90838°

Altitude

35,783.778 km

Speed

3.075 km/s

Apparent Right ascension

20h 03m 44s

Apparent Declination

-6° 16' 03"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:18:09

Azimuth

164.521° S

Elevation

42.635°

Doppler factor

Orbital elements

Apogee altitude

35,793.311 km

Perigee altitude

35,781.563 km

Semi-major axis

42,165.574 km

Eccentricity

0.00014

Inclination

0.0148°

RAAN

16.7409°

Arg. of periapsis

214.0586°

True anomaly

Unknown

Mean anomaly

78.6643°

Eccentric anomaly

Unknown

Mean motion

0.25067 °/min

Orbital period

1,436.14 mins

BSTAR

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41581 neighbors

Authenticating...

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Other satellites on launch #35 in the year 2016 (2016-06-09 UTC)

BREEZE-M R/B, 41582

BREEZE-M DEB (TANK), 41583

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 mins	2025-07-09 07:08:43.048Z	164.526° S	2025-07-09 19:05:43.048Z	164.542° S	34.154°	2025-07-10 07:08:43.048Z	164.522° S

Authenticating...

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Check out INTELSAT 31, 41581 on other resources

View INTELSAT 31, 41581 on NASA - NSSDCA Website

View INTELSAT 31, 41581 on Heavens-Above

View INTELSAT 31, 41581 on Keep Track

View INTELSAT 31, 41581 on Celestrak

View INTELSAT 31, 41581 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.