Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 7 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)
 07/22/2018   09:25:10   (  20.04,-114.32) 07/22/2018   09:16:50    (  18.94,-114.89)  136.27            500
 07/25/2018   06:31:41   (  44.22, -65.93) 07/25/2018   06:30:59    (  44.50, -67.78)  150.79             42
 07/25/2018   08:08:58   (  49.93, -88.46) 07/25/2018   08:10:47    (  50.38, -90.73)  169.80            109
 07/25/2018   09:47:52   (  49.88,-113.20) 07/25/2018   09:52:16    (  50.44,-116.08)  214.53            264
 07/27/2018   19:07:12   (  49.95, -92.65) 07/27/2018   19:01:06    (  49.66, -94.32)  124.15            366
 07/27/2018   20:46:06   (  49.99,-117.39) 07/27/2018   20:42:35    (  49.60,-119.67)  169.31            211