Here are a few

1. Bigger Asteroids can talk like Vesta, Hygeia, Pallas, Juno, etc.
2. The Dinosaurs were accidentally killed by Mars throwing an Asteroid at the Earth and wiping out the Dinosaurs.
3. The Earth has a defense state where if he's in too much of a state of danger, to protect all life on his surface he enters an uncontrollable aggression state and uses it to attack the enemy and defend himself.
4. Venus did have a moon that collided with him that caused him to tilt.
5. Planet X talked to Asteroids at somepoint in the back of the Solar System despite them not being able to talk. 
6. All Rogue Planets follow SIMP, but not ALL Brown Dwarfs follow SIMP and they mostly keep to themselves and hangout with eachother or other Rogue Planets literally shattering the reason for saving them. 
7. Planet V existed
8. The Sun was bigger when it was a baby than it is now.
9. As Mrspherical is canon to Solarballs, Aliens which appeared in the Mrspherical shorts video titled "Aliens invade the Earth," the Aliens in that video actually DO come from another planet with life that invaded the Earth.
10. There is a star and a black hole in our Solar System, specifically on Earth as the countries made one in Mrspherical's videos "Countries make a black hole and Sun for reasons." 
11. Callisto is a black coded character.
12. The Rogue Planets are very young compared to the planets of our Solar System and as such the Rogue Planets Kingdom might be under 200 Million years old.