Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 5 16.  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)
 05/19/2018   09:25:01   (  20.05,-114.23) 05/19/2018   09:16:42    (  19.67,-114.80)   72.54            499
 05/22/2018   06:31:13   (  44.94, -65.56) 05/22/2018   06:30:48    (  45.27, -67.57)  162.26             25
 05/22/2018   08:08:42   (  49.93, -88.34) 05/22/2018   08:10:49    (  50.40, -90.81)  183.06            127
 05/22/2018   09:47:35   (  49.93,-113.06) 05/22/2018   09:52:16    (  50.57,-116.10)  227.47            281
 05/24/2018   19:06:51   (  49.99, -92.53) 05/24/2018   19:01:06    (  49.65, -94.39)  138.71            345
 05/24/2018   20:45:44   (  49.99,-117.25) 05/24/2018   20:42:34    (  49.54,-119.71)  184.00            190