(66391)_1999_KW4 | epoch | 2004-07-14 (66391)_1999_KW4 | orbitalPeriod | 16244700.0 (66391)_1999_KW4 | periapsis | 29919600000.0
(66391) 1999 KW4 has an epoch date of July 14th 2004. Its orbital period is 16244700 and has a peripsis of 29919600000.0.