Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 12 9.  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)
 12/10/2017   15:59:16   (  22.63, 147.50) 12/10/2017   16:02:10    (  23.28, 144.48)  317.80            174
 12/18/2017   15:09:48   (  22.61, 159.88) 12/18/2017   15:11:22    (  23.24, 157.17)  286.59             94
 12/21/2017   03:31:37   (  22.64, 147.56) 12/21/2017   03:28:08    (  24.48, 145.23)  313.23            209
 12/26/2017   15:59:13   (  22.60, 147.54) 12/26/2017   16:02:03    (  23.28, 144.50)  320.70            170
 01/03/2018   15:09:42   (  22.63, 159.93) 01/03/2018   15:11:14    (  23.25, 157.18)  289.84             92