Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 2 21.  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)
 02/23/2015   02:39:52   (  11.33, 162.44) 02/23/2015   02:39:30    (  11.08, 161.25)  132.69             22
 02/25/2015   16:22:00   (  10.03, 140.02) 02/25/2015   16:18:30    (   8.55, 139.50)  173.62            210
 03/03/2015   03:28:44   (  10.09, 150.42) 03/03/2015   03:29:46    (   9.76, 148.85)  176.06             62
 03/11/2015   02:39:00   (  10.20, 162.86) 03/11/2015   02:38:57    (   9.89, 161.50)  152.77              3
 03/13/2015   16:21:23   (  10.01, 140.21) 03/13/2015   16:17:53    (   9.96, 139.81)   44.88            210
 03/19/2015   03:27:58   (  10.09, 150.65) 03/19/2015   03:29:30    (   9.68, 148.86)  201.81             92