Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 5 31.  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)
 05/31/2021   15:43:52   (   0.04,-137.19) (  -0.71,-133.83)  382.86                80
 06/03/2021   04:04:49   (  -0.04,-137.16) (  -0.40,-138.79)  185.63                80
 06/04/2021   03:55:44   (  -0.04,-137.16) (   0.24,-135.92)  140.88                80
 06/05/2021   03:44:01   (  -0.04,-137.15) (   0.94,-133.07)  467.26                80
 06/06/2021   16:13:50   (   0.03,-137.15) (   0.90,-140.83)  420.35                80
 06/07/2021   16:04:46   (   0.03,-137.14) (   0.23,-137.97)   94.28                80
 06/08/2021   15:50:21   (   0.02,-137.13) (  -0.43,-135.10)  231.62                80
 06/11/2021   04:11:19   (  -0.01,-137.08) (  -0.72,-140.06)  340.85                80
 06/12/2021   03:59:35   (  -0.01,-137.06) (  -0.07,-137.19)   16.08                80
 06/13/2021   03:50:31   (  -0.00,-137.04) (   0.65,-134.33)  309.09                80