Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 5 8.  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)
 05/11/2017   07:18:45   (  49.92, -76.00) 05/11/2017   07:19:58    (  50.33, -78.13)  158.22             73
 05/11/2017   08:57:38   (  49.92,-100.72) 05/11/2017   09:01:26    (  50.44,-103.45)  202.73            228
 05/13/2017   18:16:53   (  49.98, -80.18) 05/13/2017   18:10:15    (  49.70, -81.70)  113.12            398
 05/13/2017   19:55:46   (  49.98,-104.90) 05/13/2017   19:51:43    (  49.59,-107.02)  158.36            243
 05/13/2017   21:30:56   (  36.69,-124.99) 05/13/2017   21:29:22    (  36.22,-127.52)  232.01             94
 05/16/2017   09:24:04   (  21.36,-113.93) 05/16/2017   09:16:06    (  21.43,-114.34)   42.70            478