Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 3 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)
 03/19/2021   22:46:23   (   0.05,-137.20) (  -0.68,-140.54)  379.60                80
 03/20/2021   22:30:18   (   0.04,-137.19) (   0.30,-135.99)  136.42                80
 03/22/2021   10:52:05   (  -0.04,-137.18) (   0.89,-141.26)  464.82                80
 03/23/2021   10:30:41   (  -0.03,-137.17) (  -0.15,-136.73)   50.73                80
 03/25/2021   22:33:51   (   0.02,-137.13) (  -0.08,-137.48)   40.20                80
 03/26/2021   22:17:46   (   0.02,-137.12) (   0.96,-132.95)  474.98                80
 03/28/2021   10:39:33   (  -0.02,-137.09) (   0.22,-138.21)  127.56                80
 03/29/2021   10:18:08   (  -0.02,-137.07) (  -0.76,-133.67)  387.05                80
 03/30/2021   22:40:04   (   0.02,-137.04) (  -0.39,-138.98)  220.51                80
 03/31/2021   22:23:59   (   0.02,-137.02) (   0.59,-134.44)  293.67                80