Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 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)
 05/09/2021   10:52:30   (  -0.01,-137.20) (   0.95,-141.44)  483.49                80
 05/10/2021   10:31:06   (  -0.02,-137.20) (  -0.06,-136.91)   32.59                80
 05/12/2021   22:36:59   (   0.02,-137.19) (  -0.11,-137.69)   57.09                80
 05/13/2021   22:15:34   (   0.02,-137.18) (   0.89,-133.16)  458.33                80
 05/15/2021   10:40:02   (  -0.01,-137.17) (   0.27,-138.43)  144.15                80
 05/16/2021   10:18:38   (  -0.01,-137.16) (  -0.73,-133.90)  370.72                80
 05/17/2021   22:40:35   (   0.01,-137.14) (  -0.43,-139.21)  236.22                80
 05/18/2021   22:24:31   (   0.01,-137.12) (   0.57,-134.68)  278.41                80
 05/20/2021   10:46:18   (  -0.01,-137.10) (   0.65,-139.95)  325.17                80
 05/21/2021   10:24:54   (  -0.01,-137.08) (  -0.35,-135.41)  189.09                80