Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 7 19.  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)
 07/22/2017   06:30:03   (  46.31, -65.04) 07/22/2017   06:30:08    (  46.70, -66.89)  147.93              5
 07/22/2017   08:07:55   (  49.93, -88.33) 07/22/2017   08:10:34    (  50.38, -90.70)  175.86            159
 07/22/2017   09:46:48   (  49.94,-113.05) 07/22/2017   09:52:01    (  50.54,-115.99)  220.25            313
 07/24/2017   19:06:04   (  49.95, -92.51) 07/24/2017   19:00:50    (  49.64, -94.26)  130.46            314
 07/24/2017   20:44:57   (  49.95,-117.23) 07/24/2017   20:42:18    (  49.53,-119.59)  175.75            159
 07/27/2017   10:11:48   (  26.64,-125.00) 07/27/2017   10:05:18    (  26.22,-125.70)   83.99            390