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ERS 1

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ERS 1 is classified as:


NORAD ID: 21574
Int'l Code: 1991-050A
Perigee: 751.7 km
Apogee: 797.4 km
Inclination: 98.4 °
Period: 100.2 minutes
Semi major axis: 7145 km
RCS: 11.0086 m2 (large)
Launch date: July 17, 1991
Source: European Space Agency (ESA)
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 21574U 91050A   15183.52750411  .00000208  00000-0  83647-4 0  9999
2 21574 098.3677 134.9253 0032011 295.9223 190.8729 14.37307457254779

Source of the keplerian elements: AFSPC

N2YO: 224