Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 19.  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)
 10/19/2021   22:34:08   (  -0.03,-137.19) (  -0.13,-137.74)   61.94                80
 10/20/2021   22:18:02   (  -0.03,-137.19) (   0.86,-133.20)  454.29                80
 10/22/2021   10:37:10   (   0.03,-137.18) (   0.30,-138.47)  146.69                80
 10/23/2021   10:21:04   (   0.03,-137.17) (  -0.70,-133.93)  368.98                80
 10/24/2021   22:40:20   (  -0.03,-137.15) (  -0.50,-139.23)  237.65                80
 10/25/2021   22:24:14   (  -0.03,-137.13) (   0.49,-134.69)  277.54                80
 10/27/2021   10:43:21   (   0.02,-137.11) (   0.67,-139.96)  324.92                80
 10/28/2021   10:27:16   (   0.02,-137.10) (  -0.33,-135.43)  189.78                80
 10/29/2021   22:46:32   (  -0.01,-137.06) (  -0.81,-140.74)  418.23                80
 10/30/2021   22:30:27   (  -0.01,-137.04) (   0.19,-136.20)   96.24                80