Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 1 14.  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)
 01/19/2018   15:10:06   (  22.63, 159.87) 01/19/2018   15:11:05    (  23.25, 157.22)  280.16             59
 01/22/2018   03:31:56   (  22.64, 147.54) 01/22/2018   03:28:27    (  26.67, 144.72)  531.02            209
 01/27/2018   15:59:33   (  22.61, 147.52) 01/27/2018   16:01:44    (  23.26, 144.56)  312.47            131
 02/04/2018   15:10:06   (  22.59, 159.90) 02/04/2018   15:10:55    (  23.16, 157.23)  280.10             49
 02/07/2018   03:31:56   (  22.68, 147.57) 02/07/2018   03:28:26    (  27.25, 144.60)  589.89            210