Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 12 25.  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)
 12/25/2021   16:50:31   (  -0.04,-137.22) (   0.97,-141.56)  495.35                80
 12/26/2021   16:38:45   (  -0.04,-137.22) (   0.28,-138.69)  167.24                80
 12/27/2021   16:24:18   (  -0.04,-137.21) (  -0.35,-135.80)  160.76                80
 12/28/2021   16:12:31   (  -0.04,-137.21) (  -1.05,-132.93)  488.51                80
 12/30/2021   04:47:42   (   0.04,-137.18) (  -0.77,-140.72)  403.04                80
 12/31/2021   04:35:55   (   0.03,-137.17) (  -0.12,-137.84)   75.79                80
 01/01/2022   04:21:27   (   0.03,-137.16) (   0.53,-134.95)  251.27                80
 01/03/2022   16:42:12   (  -0.02,-137.13) (   0.62,-139.86)  311.90                80
 01/04/2022   16:33:05   (  -0.01,-137.12) (  -0.02,-136.98)   14.87                80
 01/05/2022   16:21:18   (  -0.01,-137.10) (  -0.73,-134.11)  341.27                80