Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2021   09:58:31   (  -0.00,-127.88) (   0.20,-128.79)  103.41                80
 12/12/2021   09:42:26   (   0.01,-127.85) (  -0.82,-124.26)  410.26                80
 12/13/2021   22:01:40   (   0.02,-127.81) (  -0.40,-129.54)  198.46                80
 12/14/2021   21:45:34   (   0.00,-127.78) (   0.62,-125.01)  315.19                80
 12/16/2021   10:04:41   (  -0.02,-127.72) (   0.57,-130.27)  291.49                80
 12/17/2021   09:48:35   (  -0.01,-127.68) (  -0.45,-125.74)  221.63                80
 12/18/2021   22:07:50   (   0.03,-127.62) (  -0.76,-131.02)  388.39                80
 12/19/2021   21:51:44   (   0.01,-127.58) (   0.26,-126.49)  124.47                80
 12/21/2021   10:10:50   (  -0.03,-127.51) (   0.92,-131.75)  483.02                80
 12/22/2021   09:54:45   (  -0.02,-127.47) (  -0.10,-127.22)   29.39                80