DISCOVERER 20, 83 (Decayed)

Orbit data source: Public

DISCOVERER 20, 83 was an American payload satellite that was launched on Fri, 17 Feb 1961 UTC via a THOR AGENA B launch vehicle from the Air Force Western Test Range (AFWTR). 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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DISCOVERER 20 details

Identifier	83, 1961-005A
Orbit	Decayed
Last TLE update	Unknown
Origin	AFBMD/ACE (US)
Manufacturer	LMSD/Sunnyvale
Mission	Decayed Defense Imaging
Bus & Motor	CORONA ARGON, Unknown motor
Mass	848 kg wet, 108 kg dry
Launch date (UTC)	1961-02-17 (64 years ago)
Launch vehicle	THOR AGENA B
Launch site	Air Force Western Test Range (AFWTR)
Object type	Payload Rocket body Debris
Shape & HBR	Cone + Cyl, Unknown HBR
Radar Cross Section	9.992 m²

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Definitive object data

Latitude	Unknown
Longitude	Unknown
Altitude	Unknown
Speed	Unknown
True Right ascension	Unknown
True Declination	Unknown
Sunlit	N/A

Visualization observer readout

Observer readout values are unavailable because the object's trajectory could not be propagated. This is usually caused when the trajectory data is faulty or the object's orbit has decayed.

Visualization observer readout

Observer readout values are unavailable because the object's trajectory could not be propagated. This is usually caused when the trajectory data is faulty or the object's orbit has decayed.

Orbital elements

Apogee altitude	Unknown
Perigee altitude	Unknown
Semi-major axis	Unknown
Eccentricity	Unknown
Inclination	Unknown
RAAN	Unknown
Arg. of periapsis	Unknown
True anomaly	Unknown
Mean anomaly	Unknown
Eccentric anomaly	Unknown
Mean motion	Unknown
BSTAR	Unknown
Orbital period	Unknown