Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 7 11.  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)
 07/11/2021   16:04:25   (   0.04,-137.18) (   0.05,-137.24)    7.85                80
 07/12/2021   15:55:21   (   0.04,-137.17) (  -0.63,-134.38)  319.09                80
 07/15/2021   04:13:39   (  -0.03,-137.15) (  -0.52,-139.34)  249.52                80
 07/16/2021   04:04:34   (  -0.03,-137.15) (   0.12,-136.47)   77.12                80
 07/17/2021   03:52:49   (  -0.03,-137.14) (   0.82,-133.61)  403.61                80
 07/18/2021   16:22:36   (   0.03,-137.12) (   1.00,-141.37)  484.85                80
 07/19/2021   16:10:50   (   0.03,-137.10) (   0.37,-138.49)  159.03                80
 07/20/2021   16:01:46   (   0.03,-137.08) (  -0.32,-135.63)  166.56                80
 07/21/2021   15:50:00   (   0.03,-137.06) (  -0.95,-132.75)  491.87                80
 07/23/2021   04:20:03   (  -0.02,-137.03) (  -0.84,-140.58)  405.14                80
 07/24/2021   04:10:57   (  -0.01,-137.01) (  -0.20,-137.71)   80.25                80