Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 3 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)
 03/21/2018   19:07:10   (  49.99, -92.56) 03/21/2018   19:00:54    (  49.64, -94.36)  134.87            376
 03/21/2018   20:46:02   (  49.99,-117.28) 03/21/2018   20:42:22    (  49.59,-119.71)  180.13            220
 03/27/2018   07:19:33   (  49.91, -76.00) 03/27/2018   07:19:55    (  50.32, -78.15)  160.25             22
 03/27/2018   08:58:26   (  49.91,-100.72) 03/27/2018   09:01:23    (  50.43,-103.47)  204.75            177