Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 7 9.  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)
 07/10/2021   16:16:10   (   0.04,-137.18) (   0.73,-140.11)  335.16                80
 07/11/2021   16:04:25   (   0.04,-137.17) (   0.04,-137.25)    8.27                80
 07/12/2021   15:55:21   (   0.04,-137.17) (  -0.64,-134.38)  318.72                80
 07/15/2021   04:13:40   (  -0.03,-137.15) (  -0.51,-139.35)  249.96                80
 07/16/2021   04:04:34   (  -0.03,-137.14) (   0.13,-136.47)   76.64                80
 07/17/2021   03:52:49   (  -0.03,-137.13) (   0.77,-133.60)  403.08                80
 07/18/2021   16:22:36   (   0.03,-137.11) (   0.99,-141.37)  485.45                80
 07/19/2021   16:10:50   (   0.03,-137.10) (   0.36,-138.49)  159.65                80
 07/20/2021   16:01:46   (   0.03,-137.08) (  -0.33,-135.63)  165.88                80
 07/21/2021   15:50:01   (   0.02,-137.06) (  -0.96,-132.75)  491.06                80
 07/23/2021   04:22:43   (  -0.01,-137.03) (  -0.84,-140.58)  406.09                80