The TLE assuming the launch time at 5:45 PM (JST) on Feb. 12 is as follows.
ChubuSat-2 1 99999U 99999 16043.38029596 .00000000 00000-0 00000-0 0 00009 2 99999 031.0049 311.5958 0015871 289.3826 223.5942 14.99199091006371 ChubuSat-3 1 99999U 99999 16043.38376818 .00000000 00000-0 00000-0 0 00001 2 99999 031.0074 311.5732 0016462 295.7523 235.9943 14.99608280006385
http://www.frontier.phys.nagoya-u.ac.jp/en/chubusat/chubusat_satellite2.html