Comet 81P/Wild, also known as Wild 2 (pronounced "vilt two") (/ˈvɪlt/ VILT), is a comet with a period of 6.4 years named after Swiss astronomer Paul Wild
asteroid's relative size when seen from that orientation. The body's shortest axis is approximately aligned perpendicular to its orbital plane. This minor planet
and the period are known, so the equation can be written with semimajor axis as the subject: R = G M T 2 4 π 2 3 {\displaystyle {\begin{smallmatrix}R={\sqrt[{3}]{\frac
2007 (disproven) New study: September 2016 Orbital characteristics Semi-majoraxis 22 AU (3.3×109 km) Star TW Hydrae Physical characteristics Mean radius