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HST

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HST is classified as:


NORAD ID: 20580
Int'l Code: 1990-037B
Perigee: 549.1 km
Apogee: 553.4 km
Inclination: 28.5 °
Period: 95.5 minutes
Semi major axis: 6922 km
RCS: 28.5194 m2 (large)
Launch date: April 24, 1990
Source: United States (US)

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   15147.79498103  .00001441  00000-0  81384-4 0  9991
2 20580 028.4705 288.5976 0003100 023.6736 125.0917 15.07410988176731

Source of the keplerian elements: AFSPC

N2YO: 325