Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 12 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)
 12/09/2021   16:35:31   (  -0.05,-137.21) (   0.39,-139.16)  222.62                80
 12/10/2021   16:26:25   (  -0.05,-137.21) (  -0.28,-136.29)  105.91                80
 12/11/2021   16:14:38   (  -0.04,-137.21) (  -0.96,-133.42)  434.35                80
 12/13/2021   04:47:14   (   0.04,-137.21) (  -0.87,-141.21)  456.45                80
 12/14/2021   04:35:26   (   0.04,-137.21) (  -0.23,-138.33)  128.10                80
 12/15/2021   04:21:00   (   0.04,-137.21) (   0.46,-135.46)  200.14                80
 12/17/2021   16:41:42   (  -0.03,-137.20) (   0.71,-140.35)  359.86                80
 12/18/2021   16:29:55   (  -0.02,-137.20) (   0.03,-137.48)   32.39                80
 12/19/2021   16:20:48   (  -0.02,-137.19) (  -0.59,-134.60)  295.01                80
 12/22/2021   04:41:35   (   0.01,-137.15) (  -0.52,-139.52)  269.76                80