Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 2 20.  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   02:39:53   (  11.38, 162.43) 02/23/2015   02:39:31    (  11.14, 161.24)  132.74             22
 02/25/2015   16:22:00   (  10.03, 140.02) 02/25/2015   16:18:31    (   8.49, 139.49)  180.51            209
 03/03/2015   03:28:44   (  10.09, 150.42) 03/03/2015   03:29:46    (   9.77, 148.85)  176.05             62
 03/11/2015   02:39:00   (  10.22, 162.86) 03/11/2015   02:38:57    (   9.94, 161.50)  152.64              3
 03/13/2015   16:21:21   (  10.05, 140.22) 03/13/2015   16:17:52    (   9.90, 139.80)   49.39            209
 03/19/2015   03:27:57   (  10.07, 150.66) 03/19/2015   03:29:28    (   9.66, 148.87)  201.40             91