Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 4 15.  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)
 04/20/2021   07:18:41   (  49.91, -75.99) 04/20/2021   07:19:28    (  50.32, -78.10)  156.81             47
 04/20/2021   08:57:34   (  49.91,-100.71) 04/20/2021   09:00:56    (  50.43,-103.42)  201.29            202
 04/22/2021   18:16:51   (  50.00, -80.19) 04/22/2021   18:09:44    (  49.73, -81.66)  110.19            427
 04/22/2021   19:55:44   (  49.99,-104.90) 04/22/2021   19:51:12    (  49.62,-106.99)  155.39            272
 04/22/2021   21:30:54   (  36.69,-124.99) 04/22/2021   21:28:51    (  36.25,-127.48)  228.40            123