Hale-Bopp

Comet Hale-Bopp was, according to K9 Mark II, visible in Britain in April 1997. The First Doctor heard two men in a pub discussing the comet. (PROSE: The Little Things)

The Solar system

ㅤ

Terrestrial planets

Vulcan	ㅤ

Mercury	ㅤ

Venus	Eros • Thanatos

Earth (& Theia)	The Moon

Mars	Martian moons: Phobos • Deimos

Asteroid 284996 • Ceres • K4067 • Planet 5 • Victoria

Jupiter	Ancient Twelve: Ananke • Callisto • Carme • Lysithea • Sinope Callirrhoe • Europa • Ganymede • Io • Leda • Thebe • Umbriel • Voga

Saturn	Dione • Enceladus • Japetus • Mimas • Mnemosyne • Tethys • Titan

Uranus	Cressida • Oberon

Neptune	Triton

Wandering planets

Mondas • Skaro • Voga

ㅤ

Pluto	Charon

Other dwarf planets	Haumea • Makemake • Grace Alone • Planetoid X • Eris

Planets beyond Pluto	Micawber's World • Cassius • Omega • Sedna • Planet 14

Oort cloud/
Cometary cloud

Eight slash Q Panenka • Hale-Bopp • Halley's Comet • Hyakutake • Maleficent