Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 4 13.  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)
 04/14/2017   09:24:40   (  20.17,-114.24) 04/14/2017   09:16:22    (  20.22,-114.63)   40.51            498
 04/17/2017   06:30:44   (  45.54, -65.39) 04/17/2017   06:30:27    (  45.85, -67.32)  154.33             17
 04/17/2017   08:08:23   (  49.93, -88.38) 04/17/2017   08:10:38    (  50.40, -90.78)  178.36            135
 04/17/2017   09:47:16   (  49.94,-113.10) 04/17/2017   09:52:06    (  50.51,-116.10)  222.78            290
 04/19/2017   19:06:32   (  49.95, -92.55) 04/19/2017   19:00:55    (  49.61, -94.33)  133.45            337
 04/19/2017   20:45:25   (  49.94,-117.27) 04/19/2017   20:42:23    (  49.50,-119.66)  178.76            182
 04/22/2017   10:12:13   (  26.92,-124.99) 04/22/2017   10:05:47    (  25.01,-126.12)  240.72            386