Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 28.  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)
 09/29/2021   04:23:47   (   0.02,-137.20) (  -0.37,-138.94)  198.95                80
 09/30/2021   04:14:42   (   0.02,-137.19) (   0.30,-136.08)  128.19                80
 10/01/2021   04:02:55   (   0.02,-137.18) (   0.92,-133.19)  455.12                80
 10/02/2021   16:32:45   (  -0.02,-137.18) (   0.89,-140.97)  433.72                80
 10/03/2021   16:21:00   (  -0.02,-137.17) (   0.19,-138.11)  106.91                80
 10/04/2021   16:11:53   (  -0.02,-137.16) (  -0.45,-135.23)  219.80                80
 10/07/2021   04:30:05   (   0.02,-137.11) (  -0.67,-140.17)  348.51                80
 10/08/2021   04:18:19   (   0.02,-137.09) (  -0.05,-137.28)   22.66                80
 10/09/2021   04:09:13   (   0.02,-137.07) (   0.64,-134.42)  303.25                80
 10/11/2021   16:27:15   (  -0.02,-137.02) (   0.52,-139.31)  261.33                80