Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 2.  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)
 05/02/2021   22:24:26   (   0.02,-137.19) (   0.58,-134.64)  289.94                80
 05/04/2021   10:46:14   (  -0.02,-137.18) (   0.60,-139.92)  312.40                80
 05/05/2021   10:24:49   (  -0.02,-137.17) (  -0.41,-135.39)  202.99                80
 05/06/2021   22:46:47   (   0.01,-137.16) (  -0.76,-140.70)  402.44                80
 05/07/2021   22:30:42   (   0.01,-137.16) (   0.24,-136.17)  112.93                80
 05/09/2021   10:52:31   (  -0.01,-137.14) (   0.93,-141.44)  489.74                80
 05/10/2021   10:31:06   (  -0.01,-137.13) (  -0.07,-136.91)   25.18                80
 05/12/2021   22:34:18   (   0.01,-137.10) (  -0.14,-137.68)   67.01                80
 05/13/2021   22:18:13   (   0.01,-137.08) (   0.86,-133.15)  447.42                80
 05/15/2021   10:40:02   (  -0.01,-137.05) (   0.30,-138.43)  156.91                80