Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2019 1 7.  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)
 01/09/2019   03:31:44   (  22.65, 147.53) 01/09/2019   03:28:15    (  24.81, 145.13)  342.96            209
 01/14/2019   15:59:20   (  22.60, 147.50) 01/14/2019   16:02:05    (  23.26, 144.47)  318.72            165
 01/22/2019   15:09:52   (  22.63, 159.88) 01/22/2019   15:11:17    (  23.26, 157.16)  286.75             85
 01/25/2019   03:31:43   (  22.68, 147.54) 01/25/2019   03:28:13    (  25.04, 145.08)  363.08            210
 01/30/2019   15:59:18   (  22.61, 147.53) 01/30/2019   16:01:59    (  23.30, 144.49)  320.17            161