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BSAT-4A, 42951

Orbit data source: Space-Track

BSAT-4A, 42951 is a payload satellite owned by BSAT (JP) in GEO that was launched on Fri, 29 Sep 2017 UTC via an ARIANE 5ECA launch vehicle from the French Guiana (FRGUI). 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/42951?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/42951?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42951, 2017-059B

Orbit

GEO

Last TLE update

1 day ago

Origin

Broadcasting Satellite System Corp. (JP / JPN)

Manufacturer

SS/Loral (MDA)

Mission

Operational Commercial Communications

Bus & Motor

LS-1300, R-4D

Mass

3,520 kg wet, ~1,800 kg dry

Launch date (UTC)

2017-09-29 (8 years ago)

Launch vehicle

ARIANE 5ECA

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 24.7 m

Radar Cross Section

33.343 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 BSAT-4A
1 42951U 17059B   25195.75214633 -.00000343  00000-0  00000+0 0  9996
2 42951   0.0282  15.3778 0003489  63.9146 234.1727  1.00272774 28577

Epoch: 2025-07-14T18:03Z

TLE epoch observation values (Epoch: 2025-07-14T18:03:05.442Z)

Latitude

-0.0442°

Longitude

109.80845°

Altitude

35,794.492 km

Speed

3.074 km/s

True Right ascension

20h 53m 45s

True Declination

0° 02' 39"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-0.01639°

Longitude

160.90142°

Altitude

35,782.162 km

Speed

3.075 km/s

Apparent Right ascension

00h 04m 13s

Apparent Declination

-5° 02' 37"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

09:58:25

Azimuth

312.599° NW

Elevation

-45.089°

Doppler factor

Orbital elements

Apogee altitude

35,802.1 km

Perigee altitude

35,772.677 km

Semi-major axis

42,165.525 km

Eccentricity

0.00035

Inclination

0.0282°

RAAN

15.3778°

Arg. of periapsis

63.9146°

True anomaly

Unknown

Mean anomaly

234.1727°

Eccentric anomaly

Unknown

Mean motion

0.25067 °/min

Orbital period

1,436.14 mins

BSTAR

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42951 neighbors

Authenticating...

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Other satellites on launch #59 in the year 2017 (2017-09-29 UTC)

INTELSAT 37E, 42950

ARIANE 5 R/B, 42952

ARIANE 5 DEB (SYLDA), 42953 (Decayed)

BSAT-4A Visibility

Observer location: undefined°, undefined°

BSAT-4A is likely not visible in the next few days

Authenticating...

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Check out BSAT-4A, 42951 on other resources

View BSAT-4A, 42951 on NASA - NSSDCA Website

View BSAT-4A, 42951 on Heavens-Above

View BSAT-4A, 42951 on Keep Track

View BSAT-4A, 42951 on Celestrak

View BSAT-4A, 42951 on Gunter's Space Page

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