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VANGUARD R/B

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NORAD ID: 16
Int'l Code: 1958-002A
Perigee: 661.3 km
Apogee: 4,219.9 km
Inclination: 34.3 °
Period: 137.2 minutes
Semi major axis: 8811 km
RCS: 0.2285 m2 (medium)
Launch date: March 17, 1958
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 00016U 58002A   26109.06340719  .00000105  00000-0  11958-3 0  9993
2 00016  34.2693 115.9930 2019259 230.8933 109.4282 10.49584956682700
Source of the keplerian elements: AFSPC