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HST

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HST is classified as:


NORAD ID: 20580
Int'l Code: 1990-037B
Perigee: 543.0 km
Apogee: 546.4 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   21020.94958787  .00000490  00000-0  18732-4 0  9994
2 20580  28.4708 320.9968 0002456 272.6004 147.9838 15.09538620488796
Source of the keplerian elements: AMSAT