Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 6 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)
 06/15/2021   06:30:10   (  46.36, -65.03) 06/15/2021   06:30:16    (  46.76, -67.00)  157.59              6
 06/15/2021   08:08:03   (  49.93, -88.33) 06/15/2021   08:10:43    (  50.39, -90.83)  185.13            160
 06/15/2021   09:46:56   (  49.93,-113.05) 06/15/2021   09:52:10    (  50.56,-116.13)  229.51            314
 06/17/2021   19:06:12   (  50.00, -92.54) 06/17/2021   19:01:01    (  49.64, -94.41)  140.09            311
 06/17/2021   20:45:05   (  49.99,-117.26) 06/17/2021   20:42:30    (  49.59,-119.76)  185.38            155
 06/20/2021   10:11:56   (  26.69,-124.99) 06/20/2021   10:05:27    (  26.59,-125.77)   77.95            389
 06/23/2021   07:18:35   (  49.93, -75.97) 06/23/2021   07:20:05    (  50.37, -78.17)  164.58             90
 06/23/2021   08:57:28   (  49.94,-100.69) 06/23/2021   09:01:33    (  50.48,-103.50)  209.04            245