Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2019 4 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)
 04/23/2019   06:31:06   (  44.79, -65.64) 04/23/2019   06:30:37    (  45.12, -67.62)  160.37             29
 04/23/2019   08:08:33   (  49.90, -88.38) 04/23/2019   08:10:36    (  50.36, -90.82)  181.03            123
 04/23/2019   09:47:26   (  49.90,-113.10) 04/23/2019   09:52:03    (  50.53,-116.11)  225.52            277
 04/25/2019   19:06:40   (  49.99, -92.54) 04/25/2019   19:00:55    (  49.69, -94.39)  136.80            345
 04/25/2019   20:45:33   (  49.99,-117.26) 04/25/2019   20:42:23    (  49.57,-119.72)  182.07            190