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) (   0.19,-128.79)  103.55                80
 12/12/2021   09:42:26   (   0.01,-127.85) (  -0.83,-124.26)  410.08                80
 12/13/2021   22:01:40   (   0.02,-127.81) (  -0.39,-129.55)  198.67                80
 12/14/2021   21:45:35   (   0.00,-127.77) (   0.63,-125.01)  314.91                80
 12/16/2021   10:04:41   (  -0.02,-127.71) (   0.56,-130.27)  291.89                80
 12/17/2021   09:48:36   (  -0.01,-127.67) (  -0.46,-125.74)  221.18                80
 12/18/2021   22:07:50   (   0.03,-127.62) (  -0.75,-131.03)  388.90                80
 12/19/2021   21:51:44   (   0.01,-127.58) (   0.27,-126.49)  123.89                80
 12/21/2021   10:10:51   (  -0.03,-127.51) (   0.92,-131.75)  483.70                80
 12/22/2021   09:54:45   (  -0.02,-127.46) (  -0.11,-127.22)   28.76                80