Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 1 1.  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)
 01/01/2021   11:33:03   (   0.00, -75.22) (   0.26, -76.27)  120.33                80
 01/02/2021   11:18:41   (   0.01, -75.21) (  -0.43, -73.41)  205.73                80
 01/04/2021   23:39:35   (  -0.02, -75.17) (  -0.73, -78.36)  363.33                80
 01/05/2021   23:27:52   (  -0.02, -75.17) (  -0.12, -75.48)   37.08                80
 01/06/2021   23:18:50   (  -0.02, -75.16) (   0.56, -72.63)  289.45                80
 01/09/2021   11:37:04   (   0.00, -75.20) (   0.56, -77.57)  271.78                80
 01/10/2021   11:28:02   (   0.00, -75.20) (  -0.13, -74.72)   55.03                80
 01/11/2021   11:13:38   (   0.01, -75.20) (  -0.76, -71.85)  381.86                80
 01/13/2021   23:34:35   (  -0.01, -75.17) (  -0.37, -76.80)  185.83                80