Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 4 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)
 04/25/2014   02:40:28   (  13.95, 161.87) 04/25/2014   02:39:23    (  13.64, 160.48)  153.85             65
 04/27/2014   16:21:49   (  10.05, 140.02) 04/27/2014   16:18:20    (   6.56, 138.91)  407.22            209
 05/03/2014   03:28:25   (  10.10, 150.44) 05/03/2014   03:29:15    (   9.73, 148.69)  196.73             50
 05/11/2014   02:38:22   (  10.11, 162.95) 05/11/2014   02:38:44    (   9.78, 161.36)  177.45             22
 05/13/2014   16:20:04   (  12.10, 140.74) 05/13/2014   16:17:09    (  12.19, 140.19)   60.26            175