Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 5 15.  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)
 05/16/2017   09:24:14   (  21.05,-114.02) 05/16/2017   09:16:11    (  21.13,-114.41)   41.01            483
 05/19/2017   06:30:21   (  46.32, -65.08) 05/19/2017   06:30:18    (  46.66, -67.00)  151.79              3
 05/19/2017   08:08:14   (  49.89, -88.39) 05/19/2017   08:10:44    (  50.34, -90.81)  179.68            150
 05/19/2017   09:47:07   (  49.89,-113.11) 05/19/2017   09:52:11    (  50.51,-116.11)  224.08            304
 05/21/2017   19:06:23   (  49.95, -92.55) 05/21/2017   19:01:00    (  49.64, -94.35)  134.12            323
 05/21/2017   20:45:16   (  49.95,-117.27) 05/21/2017   20:42:28    (  49.53,-119.68)  179.42            168
 05/24/2017   10:12:04   (  26.86,-124.99) 05/24/2017   10:05:37    (  25.75,-125.92)  154.04            387