Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 6 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)
 06/17/2017   09:23:58   (  21.49,-113.91) 06/17/2017   09:16:02    (  21.57,-114.27)   38.75            476
 06/20/2017   06:30:09   (  46.41, -65.02) 06/20/2017   06:30:14    (  46.78, -66.92)  150.59              5
 06/20/2017   08:08:03   (  49.92, -88.35) 06/20/2017   08:10:41    (  50.40, -90.75)  178.85            158
 06/20/2017   09:46:56   (  49.92,-113.07) 06/20/2017   09:52:09    (  50.51,-116.07)  223.28            313
 06/22/2017   19:06:12   (  50.00, -92.54) 06/22/2017   19:00:58    (  49.66, -94.33)  133.71            314
 06/22/2017   20:45:05   (  50.00,-117.26) 06/22/2017   20:42:27    (  49.60,-119.68)  178.96            158