Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 4 6.  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) (   0.91,-141.34)  471.78                80
 04/08/2021   10:30:54   (  -0.03,-137.21) (  -0.14,-136.82)   44.09                80
 04/10/2021   22:34:07   (   0.03,-137.21) (  -0.04,-137.60)   44.85                80
 04/11/2021   22:18:02   (   0.03,-137.20) (   0.95,-133.07)  470.75                80
 04/13/2021   10:39:50   (  -0.03,-137.19) (   0.24,-138.34)  132.20                80
 04/14/2021   10:18:26   (  -0.03,-137.18) (  -0.75,-133.81)  382.86                80
 04/15/2021   22:40:23   (   0.03,-137.17) (  -0.42,-139.13)  223.16                80
 04/16/2021   22:24:19   (   0.03,-137.16) (   0.58,-134.59)  291.53                80
 04/18/2021   10:46:07   (  -0.02,-137.13) (   0.61,-139.87)  312.74                80
 04/19/2021   10:24:44   (  -0.02,-137.11) (  -0.44,-135.35)  201.42                80