List of asteroids/66601–66700

|| September 9, 1999 || Socorro || LINEAR
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66603 - || || September 7, 1999 || Socorro || LINEAR
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66606 - || || September 8, 1999 || Socorro || LINEAR
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66609 - || || September 10, 1999 || Socorro || LINEAR
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66612 - || || September 8, 1999 || Socorro || LINEAR
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66615 - || || September 8, 1999 || Socorro || LINEAR
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66618 - || || September 8, 1999 || Socorro || LINEAR
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66621 - || || September 8, 1999 || Socorro || LINEAR
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66624 - || || September 8, 1999 || Socorro || LINEAR
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66627 - || || September 8, 1999 || Socorro || LINEAR
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66630 - || || September 8, 1999 || Socorro || LINEAR
-
66633 - || || September 8, 1999 || Socorro || LINEAR
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66636 - || || September 4, 1999 || Catalina || CSS
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66639 - || || September 3, 1999 || Kitt Peak || Spacewatch
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66642 - || || September 9, 1999 || Anderson Mesa || LONEOS
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66645 - || || September 8, 1999 || Socorro || LINEAR
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66648 - || || September 7, 1999 || Anderson Mesa || LONEOS
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66651 - || || September 8, 1999 || Catalina || CSS
-
66654 - || || September 30, 1999 || Socorro || LINEAR
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66657 - || || October 1, 1999 || Višnjan Observatory || K. Korlević
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66660 - || || October 3, 1999 || Socorro || LINEAR
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66663 - || || October 7, 1999 || Višnjan Observatory || K. Korlević, M. Jurić
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66666 - || || October 11, 1999 || Višnjan Observatory || K. Korlević, M. Jurić
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66669 - || || October 15, 1999 || Nacogdoches || W. D. Bruton, M. L. Johnson
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66672 - || || October 3, 1999 || Socorro || LINEAR
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66675 - || || October 4, 1999 || Socorro || LINEAR
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66678 - || || October 4, 1999 || Socorro || LINEAR
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66681 - || || October 12, 1999 || Anderson Mesa || LONEOS
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66684 - || || October 1, 1999 || Catalina || CSS
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66687 - || || October 6, 1999 || Kitt Peak || Spacewatch
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66690 - || || October 9, 1999 || Kitt Peak || Spacewatch
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66693 - || || October 10, 1999 || Kitt Peak || Spacewatch
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66696 - || || October 12, 1999 || Kitt Peak || Spacewatch
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66699 - ||