Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 12/28/2021   22:23:25   (   0.02,-137.22) (   0.65,-134.46)  314.93                80
 12/30/2021   10:42:31   (  -0.02,-137.22) (   0.51,-139.72)  284.43                80
 12/31/2021   10:26:25   (  -0.01,-137.21) (  -0.46,-135.17)  232.31                80
 01/01/2022   22:45:39   (   0.00,-137.20) (  -0.75,-140.46)  372.57                80
 01/02/2022   22:29:33   (  -0.01,-137.19) (   0.27,-135.93)  143.69                80
 01/04/2022   10:48:40   (   0.01,-137.18) (   0.89,-141.19)  456.96                80
 01/05/2022   10:29:53   (   0.01,-137.17) (  -0.09,-136.64)   58.99                80
 01/07/2022   22:33:02   (  -0.01,-137.13) (  -0.09,-137.40)   30.95                80
 01/08/2022   22:16:57   (  -0.01,-137.12) (   0.95,-132.87)  484.93                80
 01/10/2022   10:38:43   (   0.01,-137.11) (   0.21,-138.13)  116.18                80