Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2022 12 1.  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)
 12/02/2022   06:28:46   (  -0.00, -75.19) (   0.20, -76.15)  109.70                80
 12/04/2022   18:23:20   (   0.00, -75.20) (   0.24, -74.18)  116.35                80
 12/06/2022   06:35:35   (  -0.00, -75.21) (   0.57, -77.79)  293.29                80
 12/07/2022   06:15:03   (   0.00, -75.22) (  -0.69, -72.17)  347.61                80
 12/08/2022   18:27:31   (  -0.00, -75.23) (  -0.11, -75.83)   67.22                80
 12/10/2022   06:45:04   (   0.00, -75.25) (   0.94, -79.42)  475.31                80
 12/11/2022   06:19:12   (   0.01, -75.26) (  -0.32, -73.80)  165.93                80
 12/12/2022   18:34:21   (  -0.01, -75.28) (  -0.52, -77.46)  248.96                80
 12/13/2022   18:13:50   (  -0.01, -75.30) (   0.77, -71.85)  392.55                80
 12/15/2022   06:28:42   (   0.01, -75.33) (   0.00, -75.45)   13.81                80