RADIO 4

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10-day predictions
RADIO 4 is classified as:

• Amateur radio

NORAD ID: 13000
Int'l Code: 1981-120D
Perigee: 1,642.4 km
Apogee: 1,672.0 km
Inclination: 83.0 °
Period: 119.3 minutes
Semi major axis: 8028 km
RCS: 0.852 m² (medium)
Launch date: December 17, 1981
Source: Commonwealth of Independent States (former USSR) (CIS)
Launch site: PLESETSK MISSILE AND SPACE COMPLEX (PKMTR)

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1 13000U 81120D   25171.51432833  .00000020  00000-0  11800-3 0  9996
2 13000  82.9614 257.5714 0018451 192.5688 198.4933 12.06917772916527

Source of the keplerian elements: AFSPC