Stella posted a new challenge:

The date "15-10-2013" refers to the comet ISON:

http://www.nasa.gov/content/goddard/timeline-of-comet-ison-s-dangerous-j...

The other number gives you the number of rotations for each letter: 

ISON = 9 19 15 14 

+ 20 22 20 00

= 29 41 35 14 module 26 = 3 15 9 14  = C O I N

Helpful: http://rumkin.com/tools/cipher/numbers.php

Solution redirects to:

http://www.ancientsocieties.com/pocket-lint