Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 12 8.  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)
 12/13/2018   15:59:15   (  22.60, 147.50) 12/13/2018   16:02:12    (  23.29, 144.48)  318.42            177
 12/21/2018   15:09:46   (  22.62, 159.87) 12/21/2018   15:11:27    (  23.22, 157.14)  287.66            101
 12/24/2018   03:31:35   (  22.65, 147.56) 12/24/2018   03:28:06    (  24.04, 145.32)  275.68            209
 12/29/2018   15:59:09   (  22.64, 147.53) 12/29/2018   16:02:09    (  23.30, 144.47)  322.21            180