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VANGUARD R/B

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NORAD ID: 12
Int'l Code: 1959-001B
Perigee: 562.7 km
Apogee: 3,298.6 km
Inclination: 32.9 °
Period: 125.5 minutes
Semi major axis: 8301 km
RCS: 0.5381 m2 (medium)
Launch date: February 17, 1959
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

Note: This is a ROCKET BODY
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1    12U 59001B   25187.88238649  .00000700  00000-0  42240-3 0  9991
2    12  32.9002   1.6689 1647812  77.1913 300.7056 11.47777666734218
Source of the keplerian elements: AFSPC