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: 1,642.0 km

Apogee: 1,672.3 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)

Uplink (MHz):
Downlink (MHz):
Beacon (MHz):
Mode:
Call sign:
Status:

1 13000U 81120D   25181.45829025 -.00000051  00000-0 -68844-3 0  9999
2 13000  82.9605 252.1513 0018859 172.2661 203.8796 12.06917391917721

Source of the keplerian elements: AFSPC