Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 3 19.  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)
 03/27/2015   02:40:23   (  13.24, 162.09) 03/27/2015   02:39:30    (  12.99, 160.80)  142.01             53
 03/29/2015   16:22:01   (  10.05, 140.08) 03/29/2015   16:18:32    (   6.45, 139.03)  417.49            209
 04/04/2015   03:28:50   (  10.07, 150.46) 04/04/2015   03:29:07    (   9.70, 148.89)  177.76             17
 04/12/2015   02:40:10   (  13.58, 162.12) 04/12/2015   02:39:11    (  13.30, 160.77)  149.44             59
 04/14/2015   16:21:39   (  10.06, 140.20) 04/14/2015   16:18:10    (   6.28, 139.03)  439.99            209