Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 13.  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)
 10/13/2021   22:46:40   (  -0.04,-137.20) (  -0.86,-140.76)  406.94                80
 10/14/2021   22:30:35   (  -0.03,-137.19) (   0.19,-136.24)  109.47                80
 10/16/2021   10:49:43   (   0.03,-137.20) (   0.96,-141.51)  490.05                80
 10/17/2021   10:33:37   (   0.03,-137.20) (  -0.03,-136.97)   26.35                80
 10/19/2021   22:34:08   (  -0.02,-137.18) (  -0.13,-137.74)   63.25                80
 10/20/2021   22:18:03   (  -0.03,-137.18) (   0.87,-133.20)  452.94                80
 10/22/2021   10:37:10   (   0.02,-137.18) (   0.29,-138.47)  147.34                80
 10/23/2021   10:21:04   (   0.03,-137.17) (  -0.70,-133.94)  368.33                80
 10/24/2021   22:40:20   (  -0.02,-137.14) (  -0.50,-139.23)  238.98                80
 10/25/2021   22:24:14   (  -0.02,-137.12) (   0.50,-134.70)  276.17                80