Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 4 7.  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)
 04/07/2021   10:52:17   (  -0.03,-137.21) (   0.90,-141.35)  471.85                80
 04/08/2021   10:30:53   (  -0.03,-137.21) (  -0.09,-136.81)   44.00                80
 04/10/2021   22:34:07   (   0.03,-137.21) (  -0.03,-137.61)   45.14                80
 04/11/2021   22:18:02   (   0.03,-137.20) (   0.96,-133.07)  470.48                80
 04/13/2021   10:39:51   (  -0.03,-137.18) (   0.23,-138.35)  132.58                80
 04/14/2021   10:18:26   (  -0.03,-137.17) (  -0.76,-133.81)  382.41                80
 04/15/2021   22:40:23   (   0.03,-137.16) (  -0.41,-139.13)  223.65                80
 04/16/2021   22:24:19   (   0.03,-137.15) (   0.59,-134.60)  290.97                80
 04/18/2021   10:46:07   (  -0.02,-137.12) (   0.61,-139.87)  313.41                80
 04/19/2021   10:24:43   (  -0.02,-137.10) (  -0.39,-135.34)  200.69                80
 04/20/2021   22:46:40   (   0.01,-137.08) (  -0.78,-140.65)  406.90                80