STILL IN DEVELOPMENT!!! Angle is true anomaly. End angle has to be in the interval 0..360°. If value of the start angle is lower than the end angle, value 360° is added. Start angle has to be in the interval -180..360°. Arc bigger than 180° is red, smaller is green.
Name Value
Start angle
End angle
RadiusX
RadiusY
Rotate angle

 

90° 180° 270°
Arc of 30°, center angle 45°; e = 0.6614
Orbital arc source code        to file ArcOrb-2021-1202-0822.svg