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SL-8 R/B

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NORAD ID: 20557
Int'l Code: 1990-029J
Perigee: 1,464.3 km
Apogee: 1,706.8 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   24115.92470760  .00000005  00000-0  18087-3 0  9999
2 20557  73.9872 333.5295 0152343 197.3188 272.3597 12.23251259520196
Source of the keplerian elements: AFSPC