What is the distance between Beijing's latitude and longitude and the sun when visiting beginning of spring, Changsha, beginning of autumn and beginning of winter?

The relationship between the distance between the sun and the earth is the apohelion of the northern hemisphere and the northern hemisphere in summer; In winter, the sun shines directly in the southern hemisphere and perihelion.

So beginning of spring and beginning of autumn are at the same distance from the sun.

Long summer is farthest from the sun, and beginning of winter is closest to the sun.

At the beginning of 1 month, the earth is closest to the sun, which is 147, 100000 km.

At the beginning of July, the farthest distance from the sun was 152, 100000 km.

The exact value is difficult to estimate. . .