Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 3 28.  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)
 03/29/2014   15:10:48   (  22.58, 159.78) 03/29/2014   15:14:16    (  27.44, 158.31)  560.31            208
 04/01/2014   03:30:05   (  13.46, 149.57) 04/01/2014   03:29:08    (  13.14, 147.97)  176.59             57
 04/09/2014   02:41:15   (  16.31, 161.34) 04/09/2014   02:39:31    (  16.04, 159.95)  151.20            104
 04/17/2014   03:28:35   (  10.07, 150.45) 04/17/2014   03:28:46    (   9.70, 148.71)  194.18             11
 04/25/2014   02:38:44   (  10.86, 162.79) 04/25/2014   02:38:30    (  10.50, 161.20)  177.75             14