Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 9 21.  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)
 09/21/2021   19:06:22   (  49.99, -92.56) 09/21/2021   19:02:01    (  49.66, -94.56)  148.00            261
 09/21/2021   20:45:14   (  49.98,-117.28) 09/21/2021   20:43:28    (  49.55,-119.88)  193.29            106
 09/24/2021   08:35:03   (  20.07,-101.87) 09/24/2021   08:26:44    (  20.15,-102.14)   29.36            499
 09/24/2021   10:11:25   (  29.17,-124.38) 09/24/2021   10:05:37    (  29.34,-125.15)   77.33            348
 09/27/2021   07:18:47   (  49.92, -75.99) 09/27/2021   07:21:01    (  50.34, -78.29)  171.01            134
 09/27/2021   08:57:40   (  49.92,-100.71) 09/27/2021   09:02:28    (  50.51,-103.59)  215.41            288
 09/29/2021   18:16:57   (  49.95, -80.19) 09/29/2021   18:11:18    (  49.65, -81.86)  124.92            339
 09/29/2021   19:55:50   (  49.94,-104.91) 09/29/2021   19:52:46    (  49.54,-107.19)  170.21            184
 09/29/2021   21:31:00   (  36.65,-125.00) 09/29/2021   21:30:25    (  36.16,-127.69)  247.07             35