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GALILEO 21 (2C7), 43057

Orbit data source: Space-Track

GALILEO 21 (2C7), 43057 is a payload satellite owned by GNSS Agency (ESA) that was launched on Tue, 12 Dec 2017 UTC via an ARIANE 5ES 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.

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GALILEO 21 (2C7) details

Identifier	43057, 2017-079C
Orbit	Active
Last TLE update	2 days ago
Origin	GNSS Agency (ESA)
Manufacturer	OHB
Mission	Operational Civil Navigation
Bus & Motor	GALILEOSAT, AOCS
Mass	715 kg wet, 700 kg dry
Launch date (UTC)	2017-12-12 (7 years ago)
Launch vehicle	ARIANE 5ES
Launch site	French Guiana (FRGUI)
Object type	Payload Rocket body Debris
Shape & HBR	Box + 2 Pan, 14.71 m
Radar Cross Section	9.223 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 2 days ago

0 GALILEO 21 (2C7)
1 43057U 17079C   24359.28550297  .00000035  00000-0  00000-0 0  9992
2 43057  55.2580 236.3642 0003260 328.9527  31.1111  1.70473990 43789

Epoch: 2024-12-24T06:51Z

Definitive object data (Epoch: 2024-12-24T06:51:07.456Z)

Latitude	0.00003°
Longitude	40.29669°
Altitude	23,214.181 km
Speed	3.671 km/s
True Right ascension	15h 45m 29s
True Declination	0° 00' 00"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-45.97379°
Longitude	-5.51601°
Altitude	23,230.137 km
Speed	3.67 km/s
Apparent Right ascension	12h 52m 42s
Apparent Declination	-58° 07' 28"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	12:08:26
Azimuth	174.118° S
Elevation	-8.477°
Doppler factor	1

Orbital elements

Apogee altitude	23,231.833 km
Perigee altitude	23,212.534 km
Semi-major axis	29,600.32 km
Eccentricity	0.000326
Inclination	55.258°
RAAN	236.3642°
Arg. of periapsis	328.9527°
True anomaly	31.13041°
Mean anomaly	31.1111°
Eccentric anomaly	31.12075°
Mean motion	0.42619 °/min
BSTAR	Unknown
Orbital period	844.7 mins