3360 Syrinx (originally designated 1981 VA) is an Apollo and Mars crosser asteroid discovered in 1981.
On 20 September 2012, it closely encountered Earth at a distance of 0.4192 AU (62,710,000 km; 38,970,000 mi),[2] peaking in brightness at an apparent magnitude of 17.0.
[3] It is a member of the Alinda group of asteroids with a 3:1 resonance with Jupiter that has excited the eccentricity of the orbit over the eons.
[4] As an Alinda asteroid it makes approaches to Jupiter, Earth, and Venus.
[2] For a time, it was the lowest numbered asteroid that had not been named.