Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 5 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)
 05/14/2021   06:30:25   (  45.48, -65.36) 05/14/2021   06:30:09    (  45.81, -67.32)  156.92             16
 05/14/2021   08:08:03   (  49.93, -88.33) 05/14/2021   08:10:19    (  50.42, -90.75)  180.58            136
 05/14/2021   09:46:56   (  49.94,-113.05) 05/14/2021   09:51:47    (  50.53,-116.07)  224.98            291
 05/16/2021   19:06:12   (  49.96, -92.52) 05/16/2021   19:00:37    (  49.62, -94.33)  135.40            335
 05/16/2021   20:45:05   (  49.96,-117.24) 05/16/2021   20:42:06    (  49.56,-119.68)  180.72            179
 05/19/2021   10:11:56   (  26.72,-124.99) 05/19/2021   10:05:27    (  25.19,-126.06)  201.37            389