Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 12 1.  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)
 12/01/2021   16:29:19   (  -0.04,-137.21) (   0.16,-137.95)   85.41                80
 12/02/2021   16:20:13   (  -0.04,-137.20) (  -0.51,-135.07)  242.56                80
 12/05/2021   04:38:23   (   0.03,-137.18) (  -0.66,-140.00)  323.43                80
 12/06/2021   04:29:17   (   0.02,-137.17) (   0.03,-137.13)    3.91                80
 12/07/2021   04:17:29   (   0.02,-137.16) (   0.67,-134.25)  331.05                80
 12/09/2021   16:35:30   (  -0.01,-137.13) (   0.45,-139.15)  229.96                80
 12/10/2021   16:26:24   (  -0.01,-137.12) (  -0.23,-136.28)   96.93                80
 12/11/2021   16:14:36   (  -0.01,-137.11) (  -0.84,-133.39)  423.73                80
 12/13/2021   04:44:32   (   0.01,-137.08) (  -0.97,-141.19)  469.86                80
 12/14/2021   04:32:45   (   0.00,-137.06) (  -0.27,-138.32)  143.11                80