Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 2 4.  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   02:39:58   (  11.24, 162.40) 02/07/2015   02:39:38    (  10.98, 161.31)  121.96             20
 02/09/2015   16:22:12   (  10.00, 139.93) 02/09/2015   16:18:42    (   8.40, 139.51)  184.19            210
 02/15/2015   03:29:07   (  10.09, 150.30) 02/15/2015   03:29:59    (   9.81, 148.87)  159.40             52
 02/23/2015   02:39:57   (  11.46, 162.40) 02/23/2015   02:39:33    (  11.23, 161.22)  131.42             24
 02/25/2015   16:22:03   (  10.05, 140.01) 02/25/2015   16:18:34    (   8.36, 139.46)  197.70            209
 03/03/2015   03:28:47   (  10.07, 150.41) 03/03/2015   03:29:46    (   9.73, 148.86)  174.30             59