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SL-8 R/B

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NORAD ID: 21231
Int'l Code: 1991-029B
Perigee: 960.0 km
Apogee: 1,009.9 km
Inclination: 83.0 °
Period: 104.6 minutes
Semi major axis: 7355 km
RCS: 8.0643 m2 (large)
Launch date: April 16, 1991
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 21231U 91029B   25199.40496096  .00000060  00000-0  46003-4 0  9997
2 21231  82.9509  80.6942 0033886 257.4264 276.3524 13.76077784719614
Source of the keplerian elements: AFSPC