Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 6 18.  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)
 06/20/2017   06:30:09   (  46.38, -65.04) 06/20/2017   06:30:14    (  46.74, -66.94)  150.72              5
 06/20/2017   08:08:03   (  49.89, -88.37) 06/20/2017   08:10:41    (  50.36, -90.76)  179.00            158
 06/20/2017   09:46:56   (  49.89,-113.09) 06/20/2017   09:52:09    (  50.47,-116.09)  223.47            313
 06/22/2017   19:06:11   (  49.97, -92.53) 06/22/2017   19:00:57    (  49.63, -94.32)  133.69            314
 06/22/2017   20:45:04   (  49.96,-117.25) 06/22/2017   20:42:25    (  49.52,-119.64)  178.98            159
 06/25/2017   10:11:53   (  26.71,-124.99) 06/25/2017   10:05:24    (  26.36,-125.73)   83.10            389
 06/28/2017   07:18:31   (  49.93, -75.97) 06/28/2017   07:19:56    (  50.33, -78.08)  156.92             85