Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 12 31.  Predictions up to the next  30.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 12/31/2013   15:59:55   (  22.63, 147.39) 12/31/2013   16:03:24    (  26.22, 145.31)  451.33            209
 01/03/2014   02:42:52   (  22.68, 159.78) 01/03/2014   02:39:22    (  23.69, 158.13)  202.50            210
 01/08/2014   15:10:23   (  22.59, 159.78) 01/08/2014   15:13:40    (  23.19, 157.21)  271.03            197
 01/11/2014   03:31:00   (  18.43, 148.45) 01/11/2014   03:28:41    (  18.12, 146.82)  175.85            139
 01/19/2014   02:42:15   (  21.77, 160.10) 01/19/2014   02:39:01    (  21.47, 158.69)  149.77            194
 01/24/2014   15:09:53   (  22.61, 159.92) 01/24/2014   15:13:21    (  25.20, 157.74)  363.94            208
 01/27/2014   03:29:40   (  15.64, 149.25) 01/27/2014   03:28:07    (  15.27, 147.52)  189.84             93