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VIASAT 1, 37843

Orbit data source: Space-Track

VIASAT 1, 37843 is a payload satellite owned by ViaSat (US) in GEO that was launched on Wed, 19 Oct 2011 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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<iframe src="https://www.satcat.com/sats-embedded/37843?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/37843?theme=dark&initialShowStats=false

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Identifier

37843, 2011-059A

Orbit

GEO

Country

Related business

ViaSat Inc. (US)

Manufacturer

SS/Loral

Mission

Partially operational Commercial Communications

Bus & Motor

SSL-1300, R-4D

Mass

6,740 kg wet, 3,650 kg dry

Launch date (UTC)

2011-10-19 (14 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, 13.1 m

Radar Cross Section

50.882 m², Large (>1 m²)

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Last TLE update: 11 hours ago

TLE from 11 hours ago

0 VIASAT 1
1 37843U 11059A   25355.10102602 -.00000000  00000-0  00000+0 0  9993
2 37843   0.0179 343.5156 0001907 282.5563 105.0987  1.00270890 45533

Epoch: 2025-12-21T02:25Z

TLE epoch observation values (Epoch: 2025-12-21T02:25:28.648Z)

Latitude

0.01645°

Longitude

-115.10498°

Altitude

35,788.435 km

Speed

3.075 km/s

True Right ascension

00h 44m 43s

True Declination

0° 00' 59"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

12:17:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,795.957 km

Perigee altitude

35,779.875 km

Semi-major axis

42,166.053 km

Eccentricity

0.00019

Inclination

0.0179°

RAAN

343.5156°

Arg. of periapsis

282.5563°

True anomaly

105.1198°

Mean anomaly

105.0987°

Eccentric anomaly

105.10925°

Mean motion

0.25067 °/min

Orbital period

1,436.16 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #59 in the year 2011 (2011-10-19 UTC)

BREEZE-M R/B, 37844

BREEZE-M DEB (TANK), 37845

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VIASAT 1 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	2025-12-21 13:16:34.898Z	195.416° SSW	2025-12-22 07:31:34.898Z	195.4° SSW	34.158°	2025-12-22 13:16:34.898Z	195.418° SSW

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37843 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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out VIASAT 1, 37843 on other resources

View VIASAT 1, 37843 on NASA - NSSDCA Website

View VIASAT 1, 37843 on Heavens-Above

View VIASAT 1, 37843 on Keep Track

View VIASAT 1, 37843 on Celestrak

View VIASAT 1, 37843 on Gunter's Space Page

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

VIASAT 1, 37843

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2025-12-21T02:25:28.648Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #59 in the year 2011 (2011-10-19 UTC)

VIASAT 1 Visibility forecast

37843 neighbors

Co-orbital & Co-planar RSOs

Check out VIASAT 1, 37843 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago