Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 12 6.  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)
 12/06/2021   04:28:14   (   0.05,-137.19) (   0.05,-137.14)    5.52                17
 12/07/2021   04:17:31   (   0.04,-137.18) (   0.74,-134.27)  333.12                80
 12/09/2021   16:35:31   (  -0.04,-137.17) (   0.44,-139.15)  226.87                80
 12/10/2021   16:26:24   (  -0.03,-137.16) (  -0.23,-136.28)  100.50                80
 12/11/2021   16:14:38   (  -0.03,-137.15) (  -0.91,-133.41)  427.83                80
 12/13/2021   04:47:13   (   0.03,-137.13) (  -0.91,-141.20)  464.68                80
 12/14/2021   04:35:25   (   0.03,-137.12) (  -0.28,-138.32)  137.47                80
 12/15/2021   04:23:39   (   0.03,-137.11) (   0.42,-135.45)  189.70                80
 12/17/2021   16:41:41   (  -0.02,-137.08) (   0.75,-140.34)  373.08                80
 12/18/2021   16:29:54   (  -0.01,-137.06) (   0.07,-137.47)   46.70                80
 12/19/2021   16:20:47   (  -0.01,-137.04) (  -0.55,-134.59)  279.54                80