Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 6 15.  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)
 06/15/2021   23:47:58   (   0.07, -75.26) (   0.35, -74.20)  122.33                80
 06/16/2021   23:36:14   (   0.07, -75.28) (   1.01, -71.33)  450.60                80
 06/18/2021   12:11:21   (  -0.07, -75.30) (   0.78, -79.10)  432.95                80
 06/19/2021   11:59:36   (  -0.07, -75.32) (   0.11, -76.23)  104.24                80
 06/20/2021   11:45:11   (  -0.08, -75.33) (  -0.50, -73.36)  224.65                80
 06/23/2021   00:08:51   (   0.08, -75.36) (  -0.64, -78.32)  339.48                80
 06/23/2021   23:54:27   (   0.08, -75.37) (   0.09, -75.47)   10.99                80
 06/24/2021   23:42:43   (   0.09, -75.39) (   0.75, -72.60)  318.28                80
 06/27/2021   12:06:04   (  -0.10, -75.44) (   0.41, -77.49)  234.34                80
 06/28/2021   11:51:39   (  -0.10, -75.47) (  -0.27, -74.63)   95.40                80