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You could re-create it using a blend in AI, but it's still a lot of manual work. You'd have to expand the blend to adjust the individual gradients and merge lines.
It's a blend between an ellipse and a circle.
They both have different gradients and are maybe rotated.
To rotate something inside a belnd properly, you have to use the transform effect, so you apply transform effects to both elements and then blend.
The effects can be edited afterwards to adjust everything.
Here I recreated similar using Effects>Transform.
Draw two Circles, align. Group.
(The larger circle, fill with None. I showed in green so you could see.)
On the Group, Effects> Transform, apply these settings.
Flip and Rotate.
Add a gradient along your Strokes.