Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 9 18.  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)
 09/19/2018   03:32:00   (  22.67, 147.47) 09/19/2018   03:28:30    (  25.34, 145.12)  381.28            210
 09/24/2018   15:59:28   (  22.62, 147.45) 09/24/2018   16:02:15    (  23.26, 144.61)  300.02            167
 10/02/2018   15:09:51   (  22.62, 159.85) 10/02/2018   15:11:35    (  23.20, 157.28)  271.41            104
 10/05/2018   03:31:38   (  22.70, 147.54) 10/05/2018   03:28:08    (  23.71, 145.53)  234.08            210
 10/10/2018   15:59:05   (  22.64, 147.54) 10/10/2018   16:02:21    (  23.28, 144.61)  308.02            196
 10/13/2018   02:41:59   (  22.65, 159.95) 10/13/2018   02:38:30    (  27.44, 157.25)  598.41            209