3 Added Wiki link and paragraph about of minor planets visited
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Chinese Chang'e 2 flew 3.2 km from the asteroid 4179 Toutatis (size: 4.7×2.4×1.9 km) in 2012 after having ended its primary Lunar mission. Maybe a record for intentional flyby's?

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enter image description here

Here's a list of the 21 asteroids and comets and minor planets visited by spacecrafts, with closest approach altitude. One way to define it is in number of object radii, and then Dawn wins at Ceres according to that table (but many Earth, Moon, Mercury, Venus and Mars orbiters beat that).

Chinese Chang'e 2 flew 3.2 km from the asteroid 4179 Toutatis (size: 4.7×2.4×1.9 km) in 2012 after having ended its primary Lunar mission. Maybe a record for intentional flyby's?

enter image description here

enter image description here

Chinese Chang'e 2 flew 3.2 km from the asteroid 4179 Toutatis (size: 4.7×2.4×1.9 km) in 2012 after having ended its primary Lunar mission. Maybe a record for intentional flyby's?

enter image description here

enter image description here

Here's a list of the 21 asteroids and comets and minor planets visited by spacecrafts, with closest approach altitude. One way to define it is in number of object radii, and then Dawn wins at Ceres according to that table (but many Earth, Moon, Mercury, Venus and Mars orbiters beat that).

2 Added images
source | link

Chinese Chang'e 2 flew 3.2 km from the asteroid 4179 Toutatis (size: 4.7×2.4×1.9 km) in 2012 after having ended its primary Lunar mission. Maybe a record for intentional flyby's?

enter image description here

enter image description here

Chinese Chang'e 2 flew 3.2 km from the asteroid 4179 Toutatis (size: 4.7×2.4×1.9 km) in 2012 after having ended its primary Lunar mission. Maybe a record for intentional flyby's?

Chinese Chang'e 2 flew 3.2 km from the asteroid 4179 Toutatis (size: 4.7×2.4×1.9 km) in 2012 after having ended its primary Lunar mission. Maybe a record for intentional flyby's?

enter image description here

enter image description here

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source | link

Chinese Chang'e 2 flew 3.2 km from the asteroid 4179 Toutatis (size: 4.7×2.4×1.9 km) in 2012 after having ended its primary Lunar mission. Maybe a record for intentional flyby's?