Visible spectroscopy of 2003 UB313: Evidence for N2 ice on the surface of the largest TNO?

J. Licandro, W. M. Grundy, N. Pinilla-Alonso +1

The recent discovery of two large trans-Neptunian objects (TNOs) 2003 UB313 and 2005 FY9, with surface properties similar to those of Pluto, provides an exciting new laboratory for…