Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 1 16.  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)
 01/16/2015   15:32:32   (  10.00, 152.30) 01/16/2015   15:29:02    (   7.19, 151.85)  316.33            210
 01/22/2015   02:39:33   (  10.10, 162.64) 01/22/2015   02:39:50    (   9.84, 161.52)  126.62             17
 01/24/2015   16:22:02   (  10.33, 140.00) 01/24/2015   16:18:37    (  10.34, 139.91)    9.76            205
 01/30/2015   03:29:03   (  10.06, 150.29) 01/30/2015   03:30:15    (   9.73, 148.89)  157.48             72
 02/07/2015   02:39:57   (  11.38, 162.38) 02/07/2015   02:39:35    (  11.13, 161.29)  121.42             22
 02/09/2015   16:22:07   (  10.01, 139.95) 02/09/2015   16:18:37    (   8.15, 139.48)  213.32            210