Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 6 25.  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)
 06/25/2021   15:54:12   (   0.04,-137.21) (  -0.51,-134.74)  281.25                80
 06/28/2021   04:15:12   (  -0.04,-137.19) (  -0.65,-139.70)  288.26                80
 06/29/2021   04:00:47   (  -0.04,-137.18) (   0.03,-136.84)   38.86                80
 06/30/2021   03:51:43   (  -0.03,-137.18) (   0.70,-133.97)  365.86                80
 07/02/2021   16:09:44   (   0.03,-137.18) (   0.42,-138.87)  192.18                80
 07/03/2021   16:00:39   (   0.03,-137.18) (  -0.26,-136.00)  134.59                80
 07/04/2021   15:48:55   (   0.03,-137.17) (  -0.94,-133.14)  461.15                80
 07/06/2021   04:21:39   (  -0.02,-137.14) (  -0.89,-140.97)  436.55                80
 07/07/2021   04:09:54   (  -0.02,-137.13) (  -0.26,-138.09)  110.57                80
 07/08/2021   03:55:29   (  -0.01,-137.11) (   0.43,-135.23)  215.22                80