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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). Payloads include a variety of satellites, spacecraft, and rockets 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

BSAT-4A details

Identifier	42951, 2017-059B
Orbit	GEO
Last TLE update	18 hours ago
Origin	BSAT (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 (7 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 18 hours ago

0 BSAT-4A
1 42951U 17059B   24338.68257703 -.00000327  00000-0  00000-0 0  9994
2 42951   0.0543  55.4343 0001179 300.3823  72.7715  1.00272427 26176

Epoch: 2024-12-03T16:22Z

Definitive object data (Epoch: 2024-12-03T16:22:54.655Z)

Latitude	0.03363°
Longitude	109.85761°
Altitude	35,784.422 km
Speed	3.075 km/s
True Right ascension	04h 34m 17s
True Declination	0° 02' 01"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-0.05224°
Longitude	13.6954°
Altitude	35,781.482 km
Speed	3.075 km/s
Apparent Right ascension	21h 55m 43s
Apparent Declination	-5° 04' 35"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	07:49:48
Azimuth	312.533° NW
Elevation	-45.097°
Doppler factor	1

Orbital elements

Apogee altitude	35,792.457 km
Perigee altitude	35,782.514 km
Semi-major axis	42,165.622 km
Eccentricity	0.0001179
Inclination	0.0543°
RAAN	55.4343°
Arg. of periapsis	300.3823°
True anomaly	72.7844°
Mean anomaly	72.7715°
Eccentric anomaly	72.77795°
Mean motion	0.25067 °/min
BSTAR	Unknown
Orbital period	1436.14 mins