Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 1 21.  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   (  22.67, 147.52) 01/22/2018   03:28:30    (  26.84, 144.67)  545.98            209
 01/27/2018   15:59:39   (  22.63, 147.50) 01/27/2018   16:01:44    (  23.26, 144.56)  309.77            125
 02/04/2018   15:10:17   (  22.62, 159.86) 02/04/2018   15:10:54    (  23.20, 157.25)  275.01             37
 02/12/2018   15:59:47   (  22.61, 147.50) 02/12/2018   16:01:31    (  23.27, 144.60)  305.62            104