Eros (The arrow shows a heart shaped feature, fitting for an asteroid named
for "love".) Also note that Eros is the only asteroid to be orbited
and then landed upon by any space probe.
Four asteroids: top: Ida, bottom: Gaspra,
middle: Phobos & Deimos captured asteroid moons of Mars
Deimos
Phobos
Comet Borrelly nucleus
Comet Borrelly nucleus showing jets (imaged by Deep Space 1)