Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 3 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)
 03/13/2021   19:06:21   (  49.97, -92.52) 03/13/2021   19:00:44    (  49.67, -94.40)  138.71            337
 03/13/2021   20:45:14   (  49.96,-117.24) 03/13/2021   20:42:12    (  49.56,-119.72)  184.00            182
 03/16/2021   10:12:05   (  26.67,-124.99) 03/16/2021   10:05:35    (  24.86,-126.19)  234.23            390
 03/19/2021   07:18:45   (  49.89, -75.99) 03/19/2021   07:19:41    (  50.33, -78.16)  162.57             56
 03/19/2021   08:57:38   (  49.89,-100.71) 03/19/2021   09:01:09    (  50.44,-103.48)  207.03            211
 03/21/2021   18:16:54   (  49.97, -80.16) 03/21/2021   18:09:57    (  49.69, -81.71)  115.28            417
 03/21/2021   19:55:47   (  49.97,-104.88) 03/21/2021   19:51:25    (  49.59,-107.04)  160.52            262