Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 7 15.  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)
 07/17/2018   07:19:16   (  49.89, -76.04) 07/17/2018   07:19:58    (  50.27, -78.08)  151.62             42
 07/17/2018   08:58:09   (  49.90,-100.76) 07/17/2018   09:01:25    (  50.44,-103.38)  196.02            196
 07/19/2018   18:17:30   (  49.96, -80.23) 07/19/2018   18:10:14    (  49.74, -81.65)  104.69            436
 07/19/2018   19:56:23   (  49.95,-104.94) 07/19/2018   19:51:41    (  49.57,-106.95)  149.85            282
 07/19/2018   21:31:30   (  36.46,-124.98) 07/19/2018   21:29:17    (  36.02,-127.39)  221.35            133
 07/22/2018   09:25:11   (  20.02,-114.33) 07/22/2018   09:16:51    (  18.61,-114.94)  169.27            500