Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 4 14.  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)
 04/17/2017   06:30:44   (  45.54, -65.38) 04/17/2017   06:30:27    (  45.86, -67.32)  154.31             17
 04/17/2017   08:08:23   (  49.94, -88.38) 04/17/2017   08:10:38    (  50.41, -90.78)  178.33            135
 04/17/2017   09:47:17   (  49.89,-113.12) 04/17/2017   09:52:07    (  50.46,-116.13)  223.13            290
 04/19/2017   19:06:32   (  49.94, -92.55) 04/19/2017   19:00:55    (  49.60, -94.33)  133.46            337
 04/19/2017   20:45:26   (  50.00,-117.29) 04/19/2017   20:42:24    (  49.55,-119.68)  178.66            182
 04/22/2017   10:12:14   (  26.86,-125.00) 04/22/2017   10:05:47    (  25.01,-126.12)  234.23            387