Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 4 4.  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)
 04/04/2021   22:46:33   (   0.04,-137.22) (  -0.72,-140.60)  385.74                80
 04/05/2021   22:30:29   (   0.04,-137.22) (   0.27,-136.07)  130.44                80
 04/07/2021   10:52:18   (  -0.03,-137.21) (   0.87,-141.35)  471.29                80
 04/08/2021   10:30:53   (  -0.03,-137.21) (  -0.13,-136.82)   44.66                80
 04/10/2021   22:34:06   (   0.03,-137.22) (  -0.06,-137.60)   44.06                80
 04/11/2021   22:18:02   (   0.03,-137.21) (   0.94,-133.07)  471.64                80
 04/13/2021   10:39:50   (  -0.03,-137.20) (   0.26,-138.34)  130.92                80
 04/14/2021   10:18:27   (  -0.03,-137.19) (  -0.80,-133.82)  384.29                80
 04/15/2021   22:40:23   (   0.03,-137.18) (  -0.43,-139.12)  221.75                80
 04/16/2021   22:24:19   (   0.03,-137.17) (   0.62,-134.60)  293.09                80