Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 15.  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)
 10/16/2021   10:49:42   (   0.03,-137.20) (   1.00,-141.50)  489.86                80
 10/17/2021   10:33:38   (   0.03,-137.20) (  -0.05,-136.97)   26.72                80
 10/19/2021   22:34:07   (  -0.02,-137.18) (  -0.16,-137.73)   62.89                80
 10/20/2021   22:18:03   (  -0.03,-137.18) (   0.89,-133.21)  453.31                80
 10/22/2021   10:37:09   (   0.02,-137.18) (   0.33,-138.47)  147.02                80
 10/23/2021   10:21:04   (   0.03,-137.17) (  -0.67,-133.93)  368.67                80
 10/24/2021   22:40:20   (  -0.02,-137.14) (  -0.47,-139.24)  238.56                80
 10/25/2021   22:24:15   (  -0.02,-137.13) (   0.53,-134.70)  276.61                80
 10/27/2021   10:43:22   (   0.02,-137.11) (   0.63,-139.97)  325.27                80
 10/28/2021   10:27:16   (   0.02,-137.10) (  -0.36,-135.44)  189.43                80