Is this object Mars?
Is this object Mars?

I'm pretty sure this is simple lens flare.
While lens surfaces in cameras have antireflection coatings that strongly reduce reflections, they are not perfect. A very bright small spot like the Sun or Moon or a bright streetlight will result in near-mirror images opposite the center of the image.
Analysis from this answer:

Here I used this effect on purpose to reduce the brightness of the partially eclipsed Sun before it became annular. Solar eclipse of December 14, 2020):

complete image:
 click for larger