Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2019 4 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)
 04/20/2019   15:59:43   (  22.62, 147.46) 04/20/2019   16:01:26    (  23.23, 144.62)  299.11            103
 04/28/2019   15:10:09   (  22.58, 159.83) 04/28/2019   15:10:47    (  23.18, 157.27)  270.87             38
 05/06/2019   15:59:26   (  22.64, 147.51) 05/06/2019   16:01:35    (  23.29, 144.59)  307.51            129
 05/14/2019   15:09:52   (  22.60, 159.88) 05/14/2019   15:10:57    (  23.20, 157.24)  279.50             65