Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 2 1.  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)
 02/07/2015   02:39:54   (  11.23, 162.41) 02/07/2015   02:39:34    (  11.03, 161.32)  121.79             20
 02/09/2015   16:22:05   (  10.01, 139.97) 02/09/2015   16:18:35    (   8.29, 139.52)  197.37            210
 02/15/2015   03:28:51   (  10.11, 150.36) 02/15/2015   03:29:38    (   9.80, 148.96)  157.64             47
 02/23/2015   02:39:37   (  11.95, 162.41) 02/23/2015   02:39:05    (  11.72, 161.25)  128.51             32
 02/25/2015   16:21:32   (  10.00, 140.13) 02/25/2015   16:18:02    (   7.82, 139.51)  252.10            210