Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 6 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)
 06/28/2021   04:12:33   (  -0.04,-137.18) (  -0.60,-139.71)  288.34                80
 06/29/2021   04:03:27   (  -0.04,-137.18) (   0.01,-136.84)   38.66                80
 06/30/2021   03:51:43   (  -0.04,-137.17) (   0.69,-133.97)  365.46                80
 07/02/2021   16:09:43   (   0.04,-137.17) (   0.44,-138.86)  193.08                80
 07/03/2021   16:00:39   (   0.04,-137.17) (  -0.24,-136.00)  133.51                80
 07/04/2021   15:48:54   (   0.04,-137.16) (  -0.92,-133.13)  459.90                80
 07/06/2021   04:18:59   (  -0.03,-137.13) (  -0.92,-140.96)  438.11                80
 07/07/2021   04:07:14   (  -0.03,-137.11) (  -0.23,-138.10)  112.28                80
 07/08/2021   03:58:09   (  -0.02,-137.10) (   0.39,-135.22)  213.40                80
 07/10/2021   16:16:10   (   0.01,-137.06) (   0.74,-140.11)  349.06                80
 07/11/2021   16:04:25   (   0.00,-137.04) (   0.06,-137.25)   24.04                80