Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 1 18.  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)
 01/19/2018   15:10:07   (  22.62, 159.87) 01/19/2018   15:11:06    (  23.19, 157.21)  279.87             59
 01/22/2018   03:31:59   (  22.67, 147.52) 01/22/2018   03:28:30    (  26.84, 144.67)  546.05            209
 01/27/2018   15:59:40   (  22.58, 147.49) 01/27/2018   16:01:44    (  23.27, 144.56)  309.88            124
 02/04/2018   15:10:18   (  22.62, 159.85) 02/04/2018   15:10:54    (  23.22, 157.25)  274.78             36
 02/12/2018   15:59:49   (  22.63, 147.49) 02/12/2018   16:01:32    (  23.28, 144.60)  305.01            103