Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 1 19.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 01/22/2018   07:19:02   (  49.88, -75.96) 01/22/2018   07:20:12    (  50.33, -78.21)  167.99             70
 01/22/2018   08:57:55   (  49.89,-100.68) 01/22/2018   09:01:40    (  50.44,-103.54)  212.44            225
 01/24/2018   18:17:13   (  49.95, -80.19) 01/24/2018   18:10:27    (  49.70, -81.75)  115.90            406
 01/24/2018   19:56:06   (  49.94,-104.90) 01/24/2018   19:51:55    (  49.59,-107.08)  161.16            251
 01/24/2018   21:31:16   (  36.65,-124.99) 01/24/2018   21:29:33    (  36.16,-127.56)  236.88            103
 01/27/2018   09:24:42   (  20.51,-114.11) 01/27/2018   09:16:30    (  20.61,-114.60)   52.51            492