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HST

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HST is classified as:


NORAD ID: 20580
Int'l Code: 1990-037B
Perigee: 545.3 km
Apogee: 549.0 km
Inclination: 28.5 °
Period: 95.4 minutes
Semi major axis: 6918 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   17117.94700056 +.00000756 +00000-0 +35772-4 0  9998
2 20580 028.4705 339.4922 0002693 357.0910 111.3947 15.08748200282609
Source of the keplerian elements: AFSPC