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3. Sphere. Code: SPH

      A SPH is defined by 4 numbers:
      V_x, V_y, V_z (coordinates of the centre), R (radius)
      A SPH definition extends over one single card in default fixed format,
      or over two cards in high-precision body fixed format.

      Example in default fixed format:
*...+....1....+....2....+....3....+....4....+....5....+....6....+....7..
SPH 002 5.0 -30.0 27.0 528.2
* (a sphere centreed at point x=5, y=30, z=27, with a radius of 528.2 cm)
The same example in high-accuracy body fixed format:
*...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+.
SPH 002 5.0 -30.0 27.0 528.2 The same, in free format: SPH TheBall 5.0 -30.0 27.0 528.2

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