public void RotateAround (Vector3 point, Vector3 axis, float angle);

Description

Rotates the transform about axis passing through point in world coordinates by angle degrees.

This modifies both the position and the rotation of the transform.

using UnityEngine;

public class Example : MonoBehaviour { void Update() { // Spin the object around the world origin at 20 degrees/second. transform.RotateAround(Vector3.zero, Vector3.up, 20 * Time.deltaTime); } }