Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 9 20.  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   (  49.95, -80.20) 09/21/2018   18:10:55    (  49.70, -81.72)  112.60            373
 09/21/2018   19:56:01   (  49.95,-104.92) 09/21/2018   19:52:23    (  49.58,-107.04)  157.86            218
 09/21/2018   21:31:09   (  36.54,-124.98) 09/21/2018   21:30:00    (  36.09,-127.50)  231.18             69
 09/24/2018   09:23:51   (  22.96,-113.58) 09/24/2018   09:16:20    (  23.02,-113.95)   38.64            451
 09/27/2018   06:30:23   (  46.43, -65.04) 09/27/2018   06:30:57    (  46.79, -66.96)  152.50             34
 09/27/2018   08:08:17   (  49.93, -88.37) 09/27/2018   08:11:24    (  50.41, -90.78)  180.52            187
 09/27/2018   09:47:10   (  49.93,-113.09) 09/27/2018   09:52:52    (  50.52,-116.11)  224.97            342
 09/29/2018   19:06:24   (  49.98, -92.54) 09/29/2018   19:01:42    (  49.63, -94.38)  137.91            282
 09/29/2018   20:45:17   (  49.98,-117.26) 09/29/2018   20:43:11    (  49.57,-119.73)  183.21            126