Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 9 1.  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)
 09/05/2017   15:59:01   (  22.62, 147.49) 09/05/2017   16:02:06    (  23.26, 144.59)  305.16            185
 09/13/2017   15:09:35   (  22.60, 159.85) 09/13/2017   15:11:29    (  23.17, 157.24)  274.29            114
 09/16/2017   03:31:25   (  22.69, 147.53) 09/16/2017   03:27:55    (  23.22, 145.62)  203.62            210
 09/21/2017   15:58:59   (  22.62, 147.50) 09/21/2017   16:02:17    (  23.28, 144.57)  308.72            198
 09/24/2017   02:41:56   (  22.69, 159.89) 09/24/2017   02:38:26    (  27.39, 157.22)  587.99            210