Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 5 22.  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)
 05/24/2018   19:06:51   (  49.99, -92.53) 05/24/2018   19:01:06    (  49.66, -94.39)  138.65            345
 05/24/2018   20:45:44   (  49.99,-117.25) 05/24/2018   20:42:34    (  49.55,-119.72)  183.93            190
 05/30/2018   07:19:11   (  49.91, -75.98) 05/30/2018   07:20:06    (  50.31, -78.15)  161.40             55
 05/30/2018   08:58:04   (  49.91,-100.70) 05/30/2018   09:01:33    (  50.48,-103.45)  205.87            209
 06/01/2018   18:17:18   (  49.96, -80.14) 06/01/2018   18:10:21    (  49.69, -81.71)  116.63            417
 06/01/2018   19:56:11   (  49.96,-104.86) 06/01/2018   19:51:49    (  49.58,-107.03)  161.88            262