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SL-8 R/B

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NORAD ID: 20557
Int'l Code: 1990-029J
Perigee: 1,464.7 km
Apogee: 1,707.0 km
Inclination: 74.0 °
Period: 117.7 minutes
Semi major axis: 7956 km
RCS: 6.465 m2 (large)
Launch date: April 6, 1990
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 20557U 90029J   20192.83646609 -.00000022 +00000-0 -59919-4 0  9998
2 20557 073.9857 287.7333 0152220 009.3651 121.2777 12.23186190351132
Source of the keplerian elements: AFSPC