Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 5 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)
 05/13/2017   18:16:56   (  49.97, -80.19) 05/13/2017   18:10:15    (  49.68, -81.68)  112.36            401
 05/13/2017   19:55:49   (  49.97,-104.91) 05/13/2017   19:51:43    (  49.57,-107.01)  157.58            246
 05/13/2017   21:30:59   (  36.67,-125.00) 05/13/2017   21:29:22    (  36.19,-127.51)  230.98             97
 05/16/2017   09:24:15   (  21.02,-114.03) 05/16/2017   09:16:12    (  21.10,-114.42)   41.09            483
 05/19/2017   06:30:20   (  46.35, -65.07) 05/19/2017   06:30:17    (  46.69, -66.99)  151.71              3
 05/19/2017   08:08:13   (  49.91, -88.38) 05/19/2017   08:10:43    (  50.37, -90.80)  179.58            150
 05/19/2017   09:47:06   (  49.92,-113.10) 05/19/2017   09:52:10    (  50.54,-116.09)  223.98            304
 05/21/2017   19:06:23   (  50.00, -92.57) 05/21/2017   19:01:00    (  49.67, -94.37)  134.15            323