Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 3 11.  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)
 03/13/2018   18:17:41   (  49.97, -80.19) 03/13/2018   18:10:06    (  49.69, -81.68)  111.01            455
 03/13/2018   19:56:34   (  49.96,-104.91) 03/13/2018   19:51:34    (  49.58,-107.01)  156.25            300
 03/13/2018   21:31:44   (  36.66,-125.00) 03/13/2018   21:29:13    (  36.20,-127.50)  230.12            151
 03/19/2018   06:32:06   (  42.99, -66.25) 03/19/2018   06:31:08    (  43.36, -68.27)  168.94             58
 03/19/2018   08:09:02   (  49.89, -88.36) 03/19/2018   08:10:35    (  50.40, -90.79)  181.95             93
 03/19/2018   09:47:55   (  49.90,-113.08) 03/19/2018   09:52:03    (  50.51,-116.11)  226.33            248
 03/21/2018   19:07:13   (  49.98, -92.58) 03/21/2018   19:00:54    (  49.69, -94.38)  133.45            379