The fire planet is diagonal in the upper right direction from the moon. (If I helped you please trust me, Thanks :))
On AstroKnights Island. On the fire planet.
The coordinates for the jungle planet are (15,15). Poptropica is (50,50). The ice planet is (73,83). and the lava planet is (83,20).
It's on the map on the space ship! if your on the space ship you will have a map and it will say fire planet!
with the manure
go into the dungeon
In the fountain
you use your spaceship.
fire planet
Defeat Mordred and get the orb
its in mordred's hideout
the code is 56x 52y this answer is by poptropica 9900!!!!!!!!!!!!!!!!!!
the coordinates for the fire planet are 83:19. P.S. I'm awesome