Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 8.  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)
 12/08/2021   21:55:31   (  -0.01,-127.97) (  -0.00,-128.07)   11.16                80
 12/11/2021   09:58:32   (  -0.01,-127.89) (   0.17,-128.80)  103.32                80
 12/12/2021   09:42:25   (   0.01,-127.85) (  -0.78,-124.25)  410.44                80
 12/13/2021   22:01:40   (   0.02,-127.81) (  -0.38,-129.55)  198.22                80
 12/14/2021   21:45:35   (   0.00,-127.78) (   0.64,-125.02)  315.46                80
 12/16/2021   10:04:41   (  -0.02,-127.72) (   0.54,-130.28)  291.15                80
 12/17/2021   09:48:35   (  -0.01,-127.68) (  -0.42,-125.73)  222.04                80
 12/18/2021   22:07:50   (   0.03,-127.63) (  -0.74,-131.03)  387.93                80
 12/19/2021   21:51:45   (   0.01,-127.59) (   0.28,-126.50)  124.98                80
 12/21/2021   10:10:51   (  -0.03,-127.52) (   0.90,-131.76)  482.48                80