Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 12 20.  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)
 12/24/2015   02:42:17   (  22.68, 159.85) 12/24/2015   02:38:47    (  22.46, 158.47)  144.36            210
 12/29/2015   15:09:55   (  22.60, 159.82) 12/29/2015   15:13:17    (  23.19, 157.18)  278.19            202
 01/01/2016   03:30:39   (  18.67, 148.43) 01/01/2016   03:28:16    (  18.31, 146.80)  176.53            143
 01/06/2016   15:59:20   (  22.61, 147.47) 01/06/2016   16:02:48    (  27.12, 145.51)  539.17            208
 01/09/2016   02:42:16   (  22.66, 159.87) 01/09/2016   02:38:47    (  23.19, 158.29)  171.80            209
 01/14/2016   15:09:49   (  22.59, 159.85) 01/14/2016   15:13:03    (  23.16, 157.18)  280.10            194