What If There Was Another Planet In The Same Orbit As The Other, But In Opposite Sides?

What if there was another planet in the same orbit as the other, but in opposite sides?

Possible helmet of a mask that is nightmare fredbear. From inspection and the little round traces of a human head to give it actual look to its actual size preference. Very unsure if I can make the mask though.

Picture #1: Just drew something at random, but with the shadings i usually use. Picture #2: A much more hand drawn kind of lighting.

(Everything drawn here are used with a mouse pad because my usb ports are broken. ): )

"Creating sense"

Ok, so my dad asked if he can draw something on the drawing I'm working on, (which is drawing up the family dog). Upon a moment later I realized that he drew a monster eating the family dog. For a moment I was like, "what the heck dad?" Then I got the idea to redraw the monster a bit in my style. It was funny I must admit when my dad does something completely random.

"Sun lit space." I know it's not accurate, but it was late in the night to realize what I've done.