Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 1 19.  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)
 01/22/2018   03:31:59   (  22.66, 147.53) 01/22/2018   03:28:30    (  26.83, 144.68)  546.09            209
 01/27/2018   15:59:40   (  22.59, 147.49) 01/27/2018   16:01:45    (  23.22, 144.55)  309.90            125
 02/04/2018   15:10:18   (  22.59, 159.85) 02/04/2018   15:10:55    (  23.16, 157.24)  275.04             37
 02/12/2018   15:59:48   (  22.60, 147.49) 02/12/2018   16:01:32    (  23.25, 144.59)  305.50            104