Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2022 12 11.  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)
 12/12/2022   06:14:41   (  -0.01, -75.19) (  -0.67, -72.08)  354.06                80
 12/13/2022   18:30:36   (   0.01, -75.21) (  -0.28, -76.58)  155.80                80
 12/14/2022   18:12:17   (   0.01, -75.22) (   0.85, -71.51)  423.12                80
 12/16/2022   06:30:37   (  -0.01, -75.23) (   0.14, -75.94)   80.71                80
 12/17/2022   06:06:58   (  -0.01, -75.24) (  -1.01, -70.87)  498.59                80
 12/18/2022   18:25:31   (   0.01, -75.26) (  -0.04, -75.35)   10.97                80
 12/21/2022   06:22:51   (  -0.00, -75.29) (  -0.13, -74.70)   66.57                80
 12/22/2022   18:41:26   (   0.00, -75.31) (  -0.88, -79.19)  442.93                80
 12/23/2022   18:23:07   (  -0.01, -75.32) (   0.28, -74.12)  136.76                80