Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 3 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)
 03/19/2018   06:32:00   (  43.18, -66.18) 03/19/2018   06:31:05    (  43.50, -68.22)  168.20             55
 03/19/2018   08:09:00   (  49.90, -88.36) 03/19/2018   08:10:36    (  50.37, -90.80)  181.64             96
 03/19/2018   09:47:53   (  49.90,-113.08) 03/19/2018   09:52:03    (  50.54,-116.10)  226.08            250
 03/21/2018   19:07:09   (  49.94, -92.54) 03/21/2018   19:00:53    (  49.61, -94.34)  134.88            376
 03/21/2018   20:46:03   (  50.00,-117.28) 03/21/2018   20:42:22    (  49.55,-119.69)  180.09            221