Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 2 10.  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)
 02/12/2018   09:24:59   (  20.05,-114.22) 02/12/2018   09:16:39    (  19.39,-114.86)   98.77            500
 02/15/2018   06:31:25   (  44.21, -65.79) 02/15/2018   06:30:49    (  44.58, -67.83)  167.29             36
 02/15/2018   08:08:42   (  49.92, -88.31) 02/15/2018   08:10:38    (  50.39, -90.80)  185.32            116
 02/15/2018   09:47:35   (  49.93,-113.03) 02/15/2018   09:52:05    (  50.56,-116.10)  229.69            270
 02/17/2018   19:06:53   (  49.95, -92.55) 02/17/2018   19:00:53    (  49.64, -94.35)  133.79            360
 02/17/2018   20:45:46   (  49.95,-117.27) 02/17/2018   20:42:21    (  49.54,-119.68)  179.09            205