Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-20
TLE Epoch: 2021 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2021   06:36:21   (  -0.03, -75.23) (   0.61, -78.15)  333.10                80
 06/19/2021   06:20:16   (  -0.03, -75.21) (  -0.41, -73.62)  181.32                80
 06/20/2021   18:39:33   (   0.04, -75.19) (  -0.80, -78.93)  426.01                80
 06/21/2021   18:23:28   (   0.04, -75.17) (   0.22, -74.40)   88.62                80
 06/24/2021   06:23:51   (  -0.05, -75.13) (  -0.02, -75.13)    3.14                80
 06/26/2021   18:27:04   (   0.05, -75.10) (  -0.11, -75.92)   92.67                80
 06/27/2021   18:10:58   (   0.05, -75.09) (   0.85, -71.38)  422.82                80
 06/29/2021   06:30:07   (  -0.06, -75.08) (   0.31, -76.65)  179.47                80
 06/30/2021   06:14:02   (  -0.05, -75.08) (  -0.71, -72.12)  336.46                80
 07/01/2021   18:33:18   (   0.06, -75.07) (  -0.48, -77.43)  268.71                80