Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 7.  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   21:55:30   (  -0.01,-127.97) (  -0.05,-128.06)   10.77                80
 12/11/2021   09:58:31   (  -0.01,-127.89) (   0.22,-128.79)  103.10                80
 12/12/2021   09:42:25   (   0.01,-127.86) (  -0.80,-124.25)  410.68                80
 12/13/2021   22:01:41   (   0.02,-127.81) (  -0.36,-129.55)  197.92                80
 12/14/2021   21:45:34   (   0.00,-127.78) (   0.60,-125.01)  315.82                80
 12/16/2021   10:04:41   (  -0.02,-127.72) (   0.52,-130.28)  290.74                80
 12/17/2021   09:48:35   (  -0.01,-127.69) (  -0.44,-125.73)  222.49                80
 12/18/2021   22:07:50   (   0.03,-127.63) (  -0.72,-131.03)  387.38                80
 12/19/2021   21:51:44   (   0.01,-127.59) (   0.24,-126.49)  125.57                80