Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 6 21.  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)
 06/22/2017   19:06:11   (  49.98, -92.53) 06/22/2017   19:00:57    (  49.64, -94.32)  133.65            314
 06/22/2017   20:45:04   (  49.98,-117.25) 06/22/2017   20:42:25    (  49.53,-119.65)  178.93            159
 06/25/2017   10:11:53   (  26.70,-124.99) 06/25/2017   10:05:24    (  26.35,-125.73)   83.11            389
 06/28/2017   07:18:31   (  49.92, -75.97) 06/28/2017   07:19:56    (  50.32, -78.08)  156.96             85
 06/28/2017   08:57:24   (  49.92,-100.69) 06/28/2017   09:01:23    (  50.48,-103.38)  201.46            239
 06/30/2017   18:16:39   (  49.95, -80.14) 06/30/2017   18:10:12    (  49.68, -81.64)  111.56            387
 06/30/2017   19:55:32   (  49.95,-104.86) 06/30/2017   19:51:40    (  49.57,-106.97)  156.81            232
 06/30/2017   21:30:44   (  36.77,-124.99) 06/30/2017   21:29:21    (  36.31,-127.50)  229.87             83