Satellite description

STS 40, 21399 was a payload satellite owned by NASA JSC (US) that was launched on Wed, 05 Jun 1991 UTC via an SPACE SHUTTLE launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

Satellite metadata
Identifier
21399, 1991-040A
Orbit
Decayed
Last TLE update
Unknown
Origin
Flag of USJSC (US)
Manufacturer
RWI/Palmdale
Mission
Decayed Civil Spaceship
Bus & Motor
STS OV, Unknown motor
Mass
109,395 kg wet, 89,081 kg dry
Launch date (UTC)
1991-06-05 (34 years ago)
Launch vehicle
SPACE SHUTTLE
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Wing + 1 Fin, 37.23 m
Radar Cross Section
610.137 m²
Visualization observer readout
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
21399, STS 40
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