Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 9 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)
 09/21/2018   21:31:09   (  36.54,-124.99) 09/21/2018   21:30:00    (  36.10,-127.50)  231.17             69
 09/24/2018   09:23:51   (  22.95,-113.58) 09/24/2018   09:16:20    (  23.01,-113.96)   38.65            451
 09/27/2018   06:30:24   (  46.42, -65.04) 09/27/2018   06:30:58    (  46.78, -66.96)  152.51             34
 09/27/2018   08:08:18   (  49.92, -88.37) 09/27/2018   08:11:25    (  50.41, -90.79)  180.53            187
 09/27/2018   09:47:11   (  49.92,-113.09) 09/27/2018   09:52:53    (  50.52,-116.11)  224.98            342
 09/29/2018   19:06:24   (  49.98, -92.54) 09/29/2018   19:01:42    (  49.64, -94.38)  137.88            282
 09/29/2018   20:45:17   (  49.98,-117.26) 09/29/2018   20:43:10    (  49.53,-119.71)  183.19            127