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SL-8 R/B

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NORAD ID: 18121
Int'l Code: 1987-051J
Perigee: 1,484.3 km
Apogee: 1,693.0 km
Inclination: 74.0 °
Period: 117.8 minutes
Semi major axis: 7959 km
RCS: 6.2494 m2 (large)
Launch date: June 16, 1987
Source: Commonwealth of Independent States (former USSR) (CIS)
Launch site: PLESETSK MISSILE AND SPACE COMPLEX (PKMTR)

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

Two Line Element Set (TLE):
1 18121U 87051J   23036.94183098  .00000069  00000-0  76090-3 0  9990
2 18121  74.0085 289.2967 0131130  80.2296 292.2330 12.22532979590599
Source of the keplerian elements: AFSPC