Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 9 13.  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   (  49.96, -80.18) 09/13/2021   18:11:12    (  49.63, -81.86)  125.73            340
 09/13/2021   19:55:45   (  49.95,-104.90) 09/13/2021   19:52:40    (  49.52,-107.18)  171.02            185
 09/13/2021   21:30:55   (  36.65,-124.99) 09/13/2021   21:30:19    (  36.14,-127.68)  248.04             36
 09/16/2021   09:23:10   (  24.68,-113.13) 09/16/2021   09:16:07    (  24.81,-113.66)   55.48            423
 09/19/2021   06:30:16   (  46.37, -65.02) 09/19/2021   06:31:15    (  46.81, -67.12)  167.32             59
 09/19/2021   08:08:09   (  49.94, -88.33) 09/19/2021   08:11:42    (  50.44, -90.94)  194.10            213
 09/19/2021   09:47:03   (  49.88,-113.07) 09/19/2021   09:53:10    (  50.55,-116.26)  238.86            367
 09/21/2021   19:06:19   (  49.98, -92.54) 09/21/2021   19:02:00    (  49.61, -94.53)  148.85            259
 09/21/2021   20:45:11   (  49.98,-117.26) 09/21/2021   20:43:27    (  49.50,-119.86)  194.17            104