Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 1 20.  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)
 01/22/2021   06:30:14   (  46.14, -65.10) 01/22/2021   06:30:10    (  46.46, -67.13)  160.43              4
 01/22/2021   08:08:04   (  49.88, -88.34) 01/22/2021   08:10:32    (  50.37, -90.85)  186.99            148
 01/22/2021   09:46:57   (  49.89,-113.06) 01/22/2021   09:52:00    (  50.48,-116.17)  231.45            303
 01/24/2021   19:06:12   (  49.94, -92.52) 01/24/2021   19:00:48    (  49.61, -94.37)  138.47            324
 01/24/2021   20:45:06   (  50.00,-117.26) 01/24/2021   20:42:17    (  49.56,-119.72)  183.68            169
 01/27/2021   10:11:56   (  26.62,-124.99) 01/27/2021   10:05:25    (  25.79,-125.97)  134.25            391