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HST

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HST is classified as:


NORAD ID: 20580
Int'l Code: 1990-037B
Perigee: 542.5 km
Apogee: 546.1 km
Inclination: 28.5 °
Period: 95.4 minutes
Semi major axis: 6915 km
RCS: 28.5194 m2 (large)
Launch date: April 24, 1990
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

The Hubble Space Telescope (HST) was the first and flagship mission of NASA's Great Observatories program. Designed to complement the wavelength capabilities of the other spacecraft in the program (CGRO, AXAF, and SIRTF), HST was a 2.4 m, f/24 Ritchey-Chretien telescope capable of performing observations in the visible, near-ultraviolet, and near-infrared (1150 A to 1 mm).
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 20580U 90037B   21217.38342205  .00000537  00000-0  21468-4 0  9994
2 20580  28.4699 101.3108 0002592 227.2076 295.8325 15.09697538518419
Source of the keplerian elements: AMSAT