Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 4 26.  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)
 04/28/2021   06:30:41   (  44.65, -65.66) 04/28/2021   06:30:11    (  45.01, -67.59)  157.39             30
 04/28/2021   08:08:05   (  49.94, -88.34) 04/28/2021   08:10:07    (  50.42, -90.71)  177.66            122
 04/28/2021   09:46:58   (  49.94,-113.06) 04/28/2021   09:51:35    (  50.52,-116.04)  222.05            277
 04/30/2021   19:06:15   (  50.00, -92.54) 04/30/2021   19:00:24    (  49.70, -94.32)  131.65            351
 04/30/2021   20:45:08   (  49.99,-117.26) 04/30/2021   20:41:52    (  49.59,-119.64)  176.89            196