Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 5 21.  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)
 05/22/2018   06:31:13   (  44.95, -65.55) 05/22/2018   06:30:48    (  45.29, -67.57)  162.17             25
 05/22/2018   08:08:43   (  49.89, -88.36) 05/22/2018   08:10:50    (  50.35, -90.83)  183.29            127
 05/22/2018   09:47:36   (  49.89,-113.08) 05/22/2018   09:52:17    (  50.52,-116.12)  227.73            281
 05/24/2018   19:06:51   (  49.97, -92.52) 05/24/2018   19:01:06    (  49.63, -94.38)  138.69            345
 05/24/2018   20:45:44   (  49.97,-117.24) 05/24/2018   20:42:34    (  49.53,-119.71)  183.99            190
 05/30/2018   07:19:10   (  49.94, -75.96) 05/30/2018   07:20:05    (  50.34, -78.14)  161.23             55
 05/30/2018   08:58:04   (  49.88,-100.71) 05/30/2018   09:01:33    (  50.45,-103.47)  206.04            209