Can this planetary system remain stable?

Before we begin, this system is created by aliens, and all orbits are on the same plane. These orbits are similar to earth's in shape. So, none of this has to occur naturally it just has to be stable for a period of about as long as our solar system will last. (And I know the sun won't live that long.)

First, the sun is the size of ours, and identical in every way. There is a Mars sized planet just within the habitable zone of this star. On the outer edge of the habitable zone is a binary pair of what you can think of as earth clones orbiting each other at a distance of 3 million miles. Directly between the binary planet pair and the Mars-like planet there is a second binary pair of planets, identical to the ones on the edge of the habitable zone.

Would this system be stable? Would the planets in the binary pairs be too far apart? Would the different bodies in the solar system wreak havoc on each other's orbits? Would life as we know if cease to exist?

posted almost 9 years ago

Xandar The Zenon‭

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