Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 17.  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)
 06/17/2021   10:18:44   (   0.01,-137.20) (  -0.70,-133.95)  370.13                80
 06/18/2021   22:43:21   (  -0.02,-137.20) (  -0.51,-139.25)  235.13                80
 06/19/2021   22:21:57   (  -0.01,-137.19) (   0.56,-134.74)  280.72                80
 06/21/2021   10:46:24   (   0.01,-137.19) (   0.65,-140.00)  320.60                80
 06/22/2021   10:25:00   (   0.01,-137.18) (  -0.36,-135.47)  194.54                80
 06/23/2021   22:49:36   (  -0.00,-137.16) (  -0.84,-140.77)  412.59                80
 06/24/2021   22:28:12   (   0.00,-137.15) (   0.18,-136.24)  102.13                80
 06/27/2021   10:31:16   (  -0.01,-137.11) (  -0.04,-136.99)   13.82                80
 06/29/2021   22:34:28   (   0.01,-137.07) (  -0.14,-137.77)   79.28                80
 06/30/2021   22:18:23   (   0.01,-137.05) (   0.88,-133.24)  435.28                80