Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 3 18.  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)
 03/19/2018   06:32:00   (  43.16, -66.19) 03/19/2018   06:31:05    (  43.49, -68.22)  168.28             55
 03/19/2018   08:08:59   (  49.94, -88.35) 03/19/2018   08:10:35    (  50.41, -90.78)  181.44             96
 03/19/2018   09:47:53   (  49.88,-113.09) 03/19/2018   09:52:04    (  50.46,-116.13)  226.24            251
 03/21/2018   19:07:09   (  49.98, -92.55) 03/21/2018   19:00:54    (  49.68, -94.38)  134.91            375
 03/21/2018   20:46:02   (  49.97,-117.27) 03/21/2018   20:42:22    (  49.57,-119.70)  180.19            220
 03/27/2018   07:19:33   (  49.91, -75.99) 03/27/2018   07:19:55    (  50.35, -78.14)  160.33             22
 03/27/2018   08:58:26   (  49.92,-100.71) 03/27/2018   09:01:23    (  50.46,-103.46)  204.80            177