Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 6 16.  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)
 06/17/2018   18:17:18   (  49.95, -80.15) 06/17/2018   18:10:20    (  49.70, -81.69)  114.14            418
 06/17/2018   19:56:11   (  49.95,-104.87) 06/17/2018   19:51:48    (  49.59,-107.02)  159.39            263
 06/17/2018   21:31:23   (  36.77,-125.00) 06/17/2018   21:29:28    (  36.27,-127.53)  232.91            115
 06/20/2018   09:24:51   (  20.08,-114.21) 06/20/2018   09:16:32    (  20.16,-114.64)   45.02            499
 06/23/2018   06:30:57   (  45.33, -65.40) 06/23/2018   06:30:39    (  45.67, -67.38)  158.20             18
 06/23/2018   08:08:33   (  49.91, -88.34) 06/23/2018   08:10:47    (  50.39, -90.77)  181.20            134
 06/23/2018   09:47:26   (  49.91,-113.06) 06/23/2018   09:52:15    (  50.50,-116.09)  225.63            289
 06/25/2018   19:06:41   (  49.99, -92.52) 06/25/2018   19:01:03    (  49.67, -94.35)  136.49            338
 06/25/2018   20:45:34   (  49.99,-117.24) 06/25/2018   20:42:31    (  49.56,-119.68)  181.75            183