| 100% | ERIS | 4 | Dwarf planet discovered in 2005 |
| 58% | CHAD | 4 | Astronomer Trujillo, who co-discovered the dwarf planet Eris in 2005 |
| 57% | URANUS | 6 | Planet discovered in 1781 |
| 53% | YETI | 4 | ___ crab (hydrothermal crustacean discovered in 2005) |
| 51% | CERES | 5 | Dwarf planet in the asteroid belt |
| 51% | PLUTO | 5 | Dwarf planet in the solar system |
| 51% | PLUTO | 5 | Dwarf planet in the Kuiper belt |
| 49% | CERES | 5 | Dwarf planet orbited by NASA's Dawn in 2015 |
| 48% | ERIS | 4 | Largest dwarf planet in the solar system |
| 48% | XENA | 4 | Dwarf planet in the outer reaches of the solar system |
| 48% | PLUTO | 5 | Dwarf planet photographed by NASA's New Horizons in 2015 |
| 48% | ERIS | 4 | Most massive dwarf planet in the solar system |
| 47% | PLUTO | 5 | It was reclassified as a dwarf planet in 2006 |
| 46% | PLUTO | 5 | Planet demoted to dwarf status in 2006 |
| 45% | CHIRON | 6 | 2060 —, minor planet discovered in 1977 whose orbit lies between those of Saturn and Uranus |
| 45% | SATURN | 6 | Planet whose rings were discovered by Galileo in 1610 |
| 44% | PLUTO | 5 | Dwarf planet in the Solar System named after the Roman God of the underworld |
| 44% | ERIS | 4 | Dwarf planet in the Solar System named after the Greco-Roman Goddess of discord |
| 44% | CERES | 5 | It was upgraded from an asteroid to a dwarf planet in 2006 |
| 43% | CERES | 5 | Dwarf planet in the asteroid belt that lent its name to the lanthanide element, Cerium |
| 43% | PLUTO | 5 | "The ___ Files," Neil deGrasse Tyson novel featuring a dwarf planet in its title |
| 41% | JUPITER | 7 | Planet whose rings were discovered in 1979 |
| 39% | PLUTO | 5 | Dwarf planet |
| 39% | CERES | 5 | Dwarf planet |
| 39% | PLUTO | 5 | Disney character who may have been named in 1931 for a newly discovered planet |
| 38% | MXMISSILE | 9 | *It was retired in 2005 |
| 38% | GOOGLEEARTH | 11 | Reference program launched in 2005 |
| 38% | XXXIX | 5 | Super Bowl played in 2005 |
| 38% | ATWO | 4 | Audi model retired in 2005 |