Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 9 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)
 09/21/2018   18:17:08   (  49.96, -80.20) 09/21/2018   18:10:55    (  49.70, -81.72)  112.60            373
 09/21/2018   19:56:01   (  49.96,-104.92) 09/21/2018   19:52:23    (  49.59,-107.05)  157.85            218
 09/21/2018   21:31:09   (  36.55,-124.99) 09/21/2018   21:30:00    (  36.10,-127.51)  231.17             69
 09/24/2018   09:23:51   (  22.95,-113.58) 09/24/2018   09:16:20    (  23.01,-113.96)   38.66            451
 09/27/2018   06:30:24   (  46.42, -65.04) 09/27/2018   06:30:58    (  46.78, -66.97)  152.54             34
 09/27/2018   08:08:18   (  49.92, -88.37) 09/27/2018   08:11:25    (  50.40, -90.79)  180.57            187
 09/27/2018   09:47:11   (  49.92,-113.09) 09/27/2018   09:52:53    (  50.52,-116.11)  225.03            342