Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 9 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)
 09/13/2021   18:16:52   (  49.95, -80.18) 09/13/2021   18:11:12    (  49.63, -81.85)  125.75            340
 09/13/2021   19:55:45   (  49.95,-104.89) 09/13/2021   19:52:40    (  49.52,-107.18)  171.04            185
 09/13/2021   21:30:55   (  36.65,-124.99) 09/13/2021   21:30:19    (  36.14,-127.68)  248.07             36
 09/16/2021   09:23:10   (  24.69,-113.13) 09/16/2021   09:16:07    (  24.82,-113.66)   55.51            423
 09/19/2021   06:30:16   (  46.38, -65.02) 09/19/2021   06:31:15    (  46.82, -67.12)  167.36             59
 09/19/2021   08:08:10   (  49.88, -88.35) 09/19/2021   08:11:43    (  50.39, -90.96)  194.48            213
 09/19/2021   09:47:03   (  49.89,-113.07) 09/19/2021   09:53:10    (  50.55,-116.26)  238.89            367
 09/21/2021   19:06:18   (  49.98, -92.54) 09/21/2021   19:01:59    (  49.60, -94.53)  148.90            259