Meanings of minor planet names: 646001–647000

646001–646100

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 * colspan=4 align=center | There are no named minor planets in this number range
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646101–646200

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 * colspan=4 align=center | There are no named minor planets in this number range
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646201–646300

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 * colspan=4 align=center | There are no named minor planets in this number range
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646301–646400

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 * colspan=4 align=center | There are no named minor planets in this number range
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646401–646500

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 * colspan=4 align=center | There are no named minor planets in this number range
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646501–646600

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 * colspan=4 align=center | There are no named minor planets in this number range
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646601–646700

 * -id=626
 * 646626 Valentingrigore || || Valentin Grigore (b. 1968), the founder and president of the Romanian Society for Meteors and Astronomy  || ·
 * -id=684
 * 646684 Boaca || || Mihai Boaca (1952–2021), a Romanian land surveyor, renowned cartoonist and amateur astronomer. || ·
 * }

646701–646800

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 * colspan=4 align=center | There are no named minor planets in this number range
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646801–646900

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 * colspan=4 align=center | There are no named minor planets in this number range
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646901–647000

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 * colspan=4 align=center | There are no named minor planets in this number range
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