ASTEROIDS
Ultima Thule (Kuiper Belt object) Photo by New Horizons spacecraft Jan 2019
Vesta Photo by DAWN Spacecraft July 2011
Lutetia Photo by ESA's Rosetta Spacecraft July 2010
Steins Photo by ESA's Rosetta Spacecraft Sept 2008
Ceres (dwarf planet) Photo by DAWN Spacecraft March 2015
Itokawa Photo by JAXA's Hayabusa Spacecraft 2005
Ida and Dactyl Photos by Galileo Spacecraft in 1994
Gaspra Photo by Galileo Spacecraft in 1991
Eros Photo by NEAR Spacecraft on 17 February 2000
Mathilde Photo by NEAR Spacecraft on 27 June 1997
Toutatis Photo by Chang'E 2 Spacecraft (China) on 13 December 2012
Ryugu Photo by JAXA's Hayabusa2 spacecraft on 23 June 2018

COMETS
67P Churyumov-Gerasimenko Photo by ESA's Rosetta Spacecraft on 3 August 2014
Borrelly Photo by Deep Space 1 Spacecraft on 29 November 2001
Hartley 2 Photo by Deep Impact Spacecraft on 4 November 2010
Temple 1 Photo by Deep Impact Spacecraft on 4 July 2005
Wild 2 Photo by Stardust spacecraft 2 January 2004
Halley Photo by Giotto spacecraft 13 March 1986