Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 1 16.  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   (  22.64, 159.88) 01/19/2018   15:11:05    (  23.25, 157.22)  280.10             59
 01/22/2018   03:31:57   (  22.69, 147.53) 01/22/2018   03:28:27    (  26.67, 144.72)  525.54            210
 01/27/2018   15:59:34   (  22.58, 147.51) 01/27/2018   16:01:44    (  23.27, 144.56)  312.41            130
 02/04/2018   15:10:07   (  22.59, 159.89) 02/04/2018   15:10:55    (  23.16, 157.24)  279.63             48
 02/12/2018   15:59:32   (  22.62, 147.56) 02/12/2018   16:01:32    (  23.26, 144.59)  312.06            120