Rosetta is the name of the space craft, the comet is named 67P/Churyumov–Gerasimenko (quite a mouthful innit?). Like most comets 67P originated in the Kuiper belt which extends beyond the orbit of the known planets.
For remnants of Maldek I would look instead to the asteroid belt between Mars and Jupiter, including bodies such as the dwarf planet Ceres or the asteroids Vesta, Pallas, Hygiea, etc.
For remnants of Maldek I would look instead to the asteroid belt between Mars and Jupiter, including bodies such as the dwarf planet Ceres or the asteroids Vesta, Pallas, Hygiea, etc.