(66391) 1999 KW4 has a periapsis of 29919600000.0.
The apoapsis of (66391) 1999 KW4 is 29919600000.0.
101 Helena has a mass of 3.0 kgs.
(66391) 1999 KW4 | periapsis | 29919600000.0 (66391) 1999 KW4 | periapsis | 29919600000.0 101 Helena | mass | 3.0 (kilograms)