Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 9 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)
 09/08/2018   15:59:48   (  22.60, 147.38) 09/08/2018   16:02:08    (  23.21, 144.61)  292.74            140
 09/16/2018   15:10:13   (  22.61, 159.77) 09/16/2018   15:11:29    (  23.15, 157.27)  263.67             76
 09/19/2018   03:32:00   (  22.68, 147.47) 09/19/2018   03:28:30    (  25.37, 145.11)  383.09            210
 09/24/2018   15:59:30   (  22.59, 147.44) 09/24/2018   16:02:16    (  23.24, 144.60)  299.86            166
 10/02/2018   15:09:53   (  22.60, 159.83) 10/02/2018   15:11:36    (  23.15, 157.26)  270.89            103