Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 7 3.  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)
 07/03/2021   16:00:39   (   0.04,-137.18) (  -0.24,-136.00)  135.22                80
 07/04/2021   15:48:55   (   0.04,-137.17) (  -0.92,-133.13)  461.89                80
 07/06/2021   04:18:59   (  -0.04,-137.15) (  -0.91,-140.96)  434.96                80
 07/07/2021   04:07:13   (  -0.04,-137.14) (  -0.28,-138.09)  108.80                80
 07/08/2021   03:58:09   (  -0.03,-137.13) (   0.40,-135.22)  217.22                80
 07/10/2021   16:18:50   (   0.02,-137.09) (   0.72,-140.11)  345.09                80
 07/11/2021   16:04:57   (   0.02,-137.07) (   0.04,-137.25)   19.91                48
 07/12/2021   15:52:40   (   0.01,-137.05) (  -0.59,-134.37)  305.38                80
 07/15/2021   04:13:39   (  -0.01,-136.99) (  -0.56,-139.34)  267.94                80
 07/16/2021   04:04:33   (  -0.01,-136.97) (   0.08,-136.46)   57.12                80