Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2016 12 10.  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)
 12/15/2016   15:09:30   (  22.64, 159.86) 12/15/2016   15:11:38    (  23.26, 157.14)  286.57            128
 12/18/2016   03:31:20   (  22.67, 147.53) 12/18/2016   03:27:51    (  22.50, 145.70)  188.29            209
 12/23/2016   15:58:53   (  22.64, 147.52) 12/23/2016   16:02:19    (  23.35, 144.48)  321.38            206
 12/26/2016   02:41:49   (  22.66, 159.92) 12/26/2016   02:38:20    (  26.99, 157.24)  552.74            209
 12/31/2016   15:09:23   (  22.59, 159.90) 12/31/2016   15:11:35    (  23.18, 157.12)  291.82            132
 01/03/2017   03:31:10   (  22.69, 147.58) 01/03/2017   03:27:42    (  22.32, 145.75)  192.39            208