Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 08/30/2021   16:19:17   (   0.00,-137.19) (   0.40,-138.96)  201.28                80
 08/31/2021   16:10:12   (   0.00,-137.18) (  -0.27,-136.09)  125.56                80
 09/01/2021   15:58:27   (   0.00,-137.17) (  -0.93,-133.22)  452.14                80
 09/03/2021   04:28:19   (   0.01,-137.15) (  -0.90,-141.00)  440.37                80
 09/04/2021   04:16:33   (   0.01,-137.13) (  -0.23,-138.13)  114.24                80
 09/05/2021   04:07:28   (   0.02,-137.12) (   0.44,-135.26)  211.81                80
 09/07/2021   16:25:38   (  -0.02,-137.08) (   0.67,-140.19)  354.24                80
 09/08/2021   16:13:51   (  -0.02,-137.06) (   0.05,-137.31)   28.51                80
 09/09/2021   16:04:46   (  -0.02,-137.04) (  -0.62,-134.44)  297.18                80
 09/12/2021   04:22:53   (   0.02,-136.97) (  -0.54,-139.35)  271.85                80