Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2021   00:17:29   (   0.05, -75.17) (   0.33, -74.09)  124.79                80
 12/11/2021   00:05:41   (   0.05, -75.18) (   0.97, -71.21)  453.72                80
 12/12/2021   12:38:10   (  -0.05, -75.21) (   0.82, -78.98)  430.28                80
 12/13/2021   12:26:23   (  -0.05, -75.22) (   0.15, -76.11)  100.97                80
 12/14/2021   12:11:57   (  -0.04, -75.23) (  -0.53, -73.23)  228.51                80
 12/17/2021   00:35:24   (   0.04, -75.25) (  -0.61, -78.16)  331.50                80
 12/18/2021   00:23:37   (   0.03, -75.26) (   0.03, -75.27)    1.54                80
 12/19/2021   00:11:28   (   0.03, -75.28) (   0.67, -72.39)  328.57                58
 12/21/2021   12:32:33   (  -0.01, -75.33) (   0.44, -77.30)  224.77                80
 12/22/2021   12:18:07   (  -0.01, -75.35) (  -0.25, -74.43)  105.58                80
 12/23/2021   12:06:19   (  -0.01, -75.37) (  -0.87, -71.55)  435.98                80