The two line elements set for the Molniya 1-91 satellite is MOLNIYA 1-91 1 25485U 10001A 00300.78960173.00000175 00000-0 40203-2 0 6131 2 25485 63.1706 206.3462 7044482 281.6461 12.9979 2.00579102 15222 a) what is the orbit type?;
b) find the orbital parameters (a and 0);
c) calculate position and velocity vectors in geocentric equatorial coordinate frame.