Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 10 4.  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)
 10/04/2021   16:11:54   (  -0.03,-137.22) (  -0.51,-135.24)  226.57                80
 10/07/2021   04:30:05   (   0.03,-137.21) (  -0.67,-140.17)  337.81                80
 10/08/2021   04:18:20   (   0.03,-137.20) (   0.02,-137.30)   10.43                80
 10/09/2021   04:09:14   (   0.03,-137.20) (   0.70,-134.43)  316.82                80
 10/11/2021   16:27:16   (  -0.03,-137.18) (   0.45,-139.32)  244.65                80
 10/12/2021   16:18:10   (  -0.02,-137.16) (  -0.20,-136.45)   81.93                80
 10/13/2021   16:06:23   (  -0.02,-137.15) (  -0.85,-133.57)  408.36                80
 10/15/2021   04:36:23   (   0.02,-137.12) (  -0.96,-141.38)  487.04                80
 10/16/2021   04:24:36   (   0.02,-137.10) (  -0.33,-138.50)  160.85                80
 10/17/2021   04:15:31   (   0.02,-137.08) (   0.36,-135.64)  165.40                80