Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 1 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)
 01/03/2018   15:10:02   (  22.58, 159.85) 01/03/2018   15:11:15    (  23.19, 157.18)  281.92             73
 01/06/2018   03:31:53   (  22.68, 147.52) 01/06/2018   03:28:23    (  25.84, 144.91)  440.24            210
 01/11/2018   15:59:30   (  22.64, 147.50) 01/11/2018   16:01:53    (  23.31, 144.53)  313.36            143
 01/19/2018   15:10:06   (  22.63, 159.87) 01/19/2018   15:11:05    (  23.25, 157.22)  280.30             59
 01/22/2018   03:31:57   (  22.66, 147.53) 01/22/2018   03:28:28    (  26.67, 144.71)  530.12            209
 01/27/2018   15:59:33   (  22.63, 147.52) 01/27/2018   16:01:44    (  23.28, 144.55)  312.50            131