Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2022 12 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2022   06:25:31   (  -0.02, -75.19) (  -0.10, -74.69)   55.38                80
 12/22/2022   18:41:25   (   0.02, -75.19) (  -0.91, -79.18)  456.08                80
 12/23/2022   18:23:07   (   0.01, -75.19) (   0.25, -74.11)  122.14                80
 12/25/2022   06:38:44   (  -0.01, -75.18) (   0.74, -78.54)  382.24                80
 12/26/2022   06:20:24   (  -0.00, -75.18) (  -0.36, -73.46)  196.26                80
 12/27/2022   18:36:20   (   0.01, -75.19) (  -0.60, -77.96)  314.42                80
 12/28/2022   18:18:00   (   0.01, -75.20) (   0.51, -72.88)  264.74                80
 12/30/2022   06:36:17   (  -0.01, -75.21) (   0.44, -77.30)  237.62                80
 12/31/2022   06:12:38   (  -0.01, -75.23) (  -0.68, -72.22)  342.05                80