Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 5 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)
 05/30/2021   15:55:37   (   0.04,-137.20) (  -0.07,-136.70)   56.15                80
 05/31/2021   15:43:52   (   0.04,-137.19) (  -0.73,-133.84)  382.92                80
 06/03/2021   04:04:48   (  -0.04,-137.17) (  -0.44,-138.78)  185.49                80
 06/04/2021   03:55:45   (  -0.04,-137.16) (   0.26,-135.93)  141.10                80
 06/05/2021   03:44:00   (  -0.04,-137.15) (   0.90,-133.06)  467.54                80
 06/06/2021   16:13:50   (   0.03,-137.16) (   0.88,-140.84)  419.90                80
 06/07/2021   16:02:06   (   0.03,-137.15) (   0.22,-137.97)   93.75                80
 06/08/2021   15:50:21   (   0.02,-137.14) (  -0.45,-135.10)  232.20                80
 06/11/2021   04:11:19   (  -0.01,-137.08) (  -0.70,-140.06)  340.15                80
 06/12/2021   03:59:35   (  -0.01,-137.06) (  -0.05,-137.19)   15.09                80