Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 6 12.  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)
 06/12/2021   09:23:57   (  21.45,-113.90) 06/12/2021   09:16:01    (  21.53,-114.35)   47.14            476
 06/15/2021   06:30:10   (  46.33, -65.04) 06/15/2021   06:30:15    (  46.74, -67.01)  157.47              5
 06/15/2021   08:08:03   (  49.90, -88.35) 06/15/2021   08:10:42    (  50.37, -90.84)  185.05            159
 06/15/2021   09:46:56   (  49.90,-113.07) 06/15/2021   09:52:09    (  50.53,-116.13)  229.46            313
 06/17/2021   19:06:12   (  49.97, -92.53) 06/17/2021   19:01:00    (  49.65, -94.41)  139.64            312
 06/17/2021   20:45:05   (  49.96,-117.25) 06/17/2021   20:42:28    (  49.54,-119.74)  184.95            157
 06/20/2021   10:11:57   (  26.66,-125.00) 06/20/2021   10:05:27    (  26.48,-125.79)   80.92            390