Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 3 15.  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)
 03/15/2021   22:24:05   (   0.05,-137.20) (   0.67,-134.51)  307.83                80
 03/17/2021   10:45:52   (  -0.04,-137.19) (   0.52,-139.77)  293.81                80
 03/18/2021   10:24:27   (  -0.05,-137.18) (  -0.46,-135.23)  221.86                80
 03/19/2021   22:46:23   (   0.04,-137.16) (  -0.70,-140.53)  383.45                80
 03/20/2021   22:30:18   (   0.04,-137.15) (   0.28,-135.99)  131.82                80
 03/22/2021   10:52:05   (  -0.03,-137.12) (   0.90,-141.25)  471.11                80
 03/23/2021   10:30:40   (  -0.03,-137.10) (  -0.14,-136.72)   43.68                80
 03/25/2021   22:33:50   (   0.02,-137.05) (  -0.09,-137.48)   48.60                80
 03/26/2021   22:17:46   (   0.02,-137.03) (   0.95,-132.95)  465.77                80
 03/28/2021   10:39:33   (  -0.01,-136.99) (   0.24,-138.21)  138.48                80