Showing default

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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

42951, 2017-059B

Orbit

GEO

Last TLE update

15 hours 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 15 hours ago

0 BSAT-4A
1 42951U 17059B   25181.77051333 -.00000350  00000-0  00000-0 0  9998
2 42951   0.0322  23.9398 0003896  47.9277 234.4191  1.00273275 28276

Epoch: 2025-06-30T18:29Z

TLE epoch observation values (Epoch: 2025-06-30T18:29:32.351Z)

Latitude

-0.05072°

Longitude

109.80424°

Altitude

35,795.3 km

Speed

3.074 km/s

True Right ascension

20h 25m 03s

True Declination

0° 03' 02"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

0.02141°

Longitude

-17.94943°

Altitude

35,790.415 km

Speed

3.074 km/s

Apparent Right ascension

11h 40m 06s

Apparent Declination

-5° 00' 32"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

21:34:01

Azimuth

312.541° NW

Elevation

-45.019°

Doppler factor

Orbital elements

Apogee altitude

35,803.675 km

Perigee altitude

35,770.82 km

Semi-major axis

42,165.385 km

Eccentricity

0.00039

Inclination

0.0322°

RAAN

23.9398°

Arg. of periapsis

47.9277°

True anomaly

Unknown

Mean anomaly

234.4191°

Eccentric anomaly

Unknown

Mean motion

0.25067 °/min

Orbital period

1,436.13 mins

BSTAR

Loading historical data...

42951 neighbors

Authenticating...

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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.