Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 4 19.  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)
 04/22/2017   15:10:04   (  22.59, 159.80) 04/22/2017   15:10:49    (  23.12, 157.28)  265.10             45
 04/25/2017   03:31:52   (  22.67, 147.49) 04/25/2017   03:28:23    (  27.37, 144.61)  598.62            209
 04/30/2017   15:59:27   (  22.61, 147.45) 04/30/2017   16:01:33    (  23.25, 144.62)  298.25            126
 05/08/2017   15:09:56   (  22.60, 159.81) 05/08/2017   15:10:50    (  23.17, 157.28)  266.85             54
 05/11/2017   03:31:44   (  22.67, 147.51) 05/11/2017   03:28:15    (  26.77, 144.76)  534.09            209
 05/16/2017   15:59:16   (  22.62, 147.47) 05/16/2017   16:01:34    (  23.23, 144.61)  300.82            138