Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 3 9.  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)
 03/11/2018   07:19:30   (  49.89, -75.99) 03/11/2018   07:19:49    (  50.29, -78.14)  159.96             19
 03/11/2018   08:58:23   (  49.90,-100.70) 03/11/2018   09:01:16    (  50.46,-103.43)  204.44            173
 03/13/2018   18:17:41   (  49.96, -80.19) 03/13/2018   18:10:06    (  49.68, -81.67)  111.05            455
 03/13/2018   19:56:34   (  49.95,-104.91) 03/13/2018   19:51:34    (  49.56,-107.00)  156.30            300
 03/13/2018   21:31:44   (  36.65,-124.99) 03/13/2018   21:29:13    (  36.18,-127.50)  230.17            151
 03/19/2018   06:32:04   (  43.05, -66.23) 03/19/2018   06:31:07    (  43.38, -68.26)  168.98             57
 03/19/2018   08:09:02   (  49.89, -88.36) 03/19/2018   08:10:36    (  50.36, -90.81)  182.06             94
 03/19/2018   09:47:55   (  49.89,-113.08) 03/19/2018   09:52:03    (  50.53,-116.11)  226.49            248