Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 9 21.  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)
 09/22/2019   22:48:40   (   0.01,-137.21) (  -0.72,-140.57)  382.60                80
 09/23/2019   22:29:56   (   0.01,-137.20) (   0.28,-136.04)  132.95                80
 09/25/2019   10:51:44   (  -0.02,-137.19) (   0.89,-141.31)  469.20                80
 09/26/2019   10:30:19   (  -0.01,-137.18) (  -0.11,-136.78)   46.25                80
 09/28/2019   22:33:31   (   0.01,-137.16) (  -0.11,-137.55)   44.60                80
 09/29/2019   22:17:27   (   0.00,-137.15) (   0.90,-133.01)  470.64                80
 10/01/2019   10:36:35   (   0.00,-137.13) (   0.28,-138.29)  132.24                80
 10/02/2019   10:20:31   (   0.01,-137.12) (  -0.73,-133.76)  382.60                80
 10/03/2019   22:39:47   (  -0.02,-137.09) (  -0.48,-139.06)  224.63                80
 10/04/2019   22:23:42   (  -0.02,-137.07) (   0.52,-134.53)  289.78                80