Is There a Planetoid Bigger Than Pluto?

[Leumas71]

I wonder is there a planetoid bigger than pluto in the solar system or is it possible that there could be a planet that orbits the sun but is to remote to see.

 

[cepheid]

Welcome to PF!

You might find this section of this Wikipedia article relevant:

http://en.wikipedia.org/wiki/Kuiper_belt#Largest_KBOs

Here's an excerpt:

The issue was brought to a head by the discovery of Eris, an object in the scattered disc far beyond the Kuiper belt, that is now known to be 27 percent more massive than Pluto.

[...]

Though Pluto is the largest KBO, a number of objects outside the Kuiper belt which may have begun their lives as KBOs are larger. Eris is the most obvious example, but Neptune's moon Triton, which, as explained above, is probably a captured KBO, is also larger than Pluto.

 

[cepheid]

Actually, it just occurred to me that if Triton is bigger than Pluto, then it stands to reason that some of the moons of the Jovian planets might be as well. Indeed, the "Galilean" moons of Jupiter (Ganymede, Europa, Io, and Callisto), are ALL larger than Pluto, as is Saturn's moon Titan. EDIT: and Earth's moon too.

The second picture at this link below is helpful because you can see which solar system moons are larger than Triton (which, in turn, is larger than Pluto).

http://spaceplace.jpl.nasa.gov/en/kids/sse_flipflop2.shtml

 

[Algr]

Ganymede and Titan are even bigger then Mercury.

 

[DaveC426913]

Please note:

...a planet that orbits the sun...

 

[DaveC426913]

Actually, it just occurred to me that if Triton is bigger than Pluto, then it stands to reason that some of the moons of the Jovian planets might be as well. Indeed, the "Galilean" moons of Jupiter (Ganymede, Europa, Io, and Callisto), are ALL larger than Pluto, as is Saturn's moon Titan. EDIT: and Earth's moon too.

Ganymede and Titan are even bigger then Mercury.

The OP specified orbiting the Sun.

These may or may not qualify.

 

[Ophiolite]

Recent measurements of Eris, based upon a stellar occultation, suggest it is smaller than first thought and possibly smaller than, or the same size as Pluto.