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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	20 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 20 hours ago

0 BSAT-4A
1 42951U 17059B   24360.62232976 -.00000323  00000-0  00000+0 0  9993
2 42951   0.0665  63.7241 0002061 293.5235  71.2523  1.00272157 26554

Epoch: 2024-12-25T14:56Z

Definitive object data (Epoch: 2024-12-25T14:56:09.291Z)

Latitude	0.0236°
Longitude	109.86322°
Altitude	35,783.198 km
Speed	3.075 km/s
True Right ascension	04h 34m 03s
True Declination	0° 01' 25"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-0.05298°
Longitude	47.77186°
Altitude	35,777.569 km
Speed	3.075 km/s
Apparent Right ascension	00h 11m 46s
Apparent Declination	-5° 04' 39"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	10:05:50
Azimuth	312.53° NW
Elevation	-45.097°
Doppler factor	1

Orbital elements

Apogee altitude	35,796.251 km
Perigee altitude	35,778.871 km
Semi-major axis	42,165.698 km
Eccentricity	0.0002061
Inclination	0.0665°
RAAN	63.7241°
Arg. of periapsis	293.5235°
True anomaly	71.27467°
Mean anomaly	71.2523°
Eccentric anomaly	71.26348°
Mean motion	0.25067 °/min
BSTAR	Unknown
Orbital period	1436.14 mins