Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 3 8.  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)
 03/09/2021   22:33:55   (   0.04,-137.20) (  -0.06,-137.53)   38.34                80
 03/10/2021   22:17:51   (   0.04,-137.20) (   0.98,-133.00)  477.83                80
 03/12/2021   10:39:38   (  -0.03,-137.18) (   0.21,-138.27)  124.32                80
 03/13/2021   10:18:14   (  -0.03,-137.17) (  -0.82,-133.74)  391.48                80
 03/14/2021   22:40:09   (   0.03,-137.16) (  -0.40,-139.03)  212.80                80
 03/15/2021   22:24:04   (   0.03,-137.15) (   0.64,-134.50)  302.81                80
 03/17/2021   10:45:52   (  -0.03,-137.13) (   0.56,-139.76)  300.13                80
 03/18/2021   10:24:27   (  -0.03,-137.11) (  -0.48,-135.23)  214.96                80
 03/19/2021   22:46:22   (   0.03,-137.09) (  -0.74,-140.52)  390.75                80
 03/20/2021   22:30:17   (   0.02,-137.08) (   0.24,-135.98)  123.99                80