Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 9 10.  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)
 09/11/2021   07:18:43   (  49.89, -75.99) 09/11/2021   07:20:55    (  50.37, -78.28)  171.74            132
 09/11/2021   08:57:36   (  49.90,-100.71) 09/11/2021   09:02:23    (  50.48,-103.61)  216.18            287
 09/13/2021   18:16:53   (  49.99, -80.19) 09/13/2021   18:11:13    (  49.67, -81.87)  125.72            340
 09/13/2021   19:55:46   (  49.99,-104.91) 09/13/2021   19:52:41    (  49.56,-107.20)  170.98            185
 09/13/2021   21:30:56   (  36.69,-125.00) 09/13/2021   21:30:20    (  36.18,-127.70)  248.00             36
 09/16/2021   09:23:11   (  24.65,-113.14) 09/16/2021   09:16:08    (  24.78,-113.67)   55.53            423
 09/19/2021   06:30:16   (  46.35, -65.04) 09/19/2021   06:31:15    (  46.78, -67.13)  167.44             59
 09/19/2021   08:08:09   (  49.91, -88.34) 09/19/2021   08:11:42    (  50.40, -90.96)  194.28            213
 09/19/2021   09:47:02   (  49.91,-113.06) 09/19/2021   09:53:09    (  50.57,-116.26)  238.64            367