Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 12 17.  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)
 12/18/2013   02:42:51   (  22.69, 159.76) 12/18/2013   02:39:21    (  24.93, 157.82)  317.86            210
 12/23/2013   15:10:11   (  22.62, 159.81) 12/23/2013   15:13:20    (  23.17, 157.21)  273.11            189
 12/26/2013   03:30:47   (  18.66, 148.45) 12/26/2013   03:28:24    (  18.29, 146.78)  180.58            143
 01/03/2014   02:41:22   (  20.70, 160.48) 01/03/2014   02:38:25    (  20.39, 158.95)  162.88            177
 01/08/2014   15:09:04   (  22.63, 160.11) 01/08/2014   15:12:33    (  27.13, 158.23)  535.93            209
 01/11/2014   03:28:04   (  13.26, 149.99) 01/11/2014   03:27:10    (  12.83, 148.07)  213.31             54