Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 1 9.  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)
 01/11/2025   06:33:18   (   0.01, -75.19) (   0.28, -76.55)  154.17                80
 01/12/2025   06:11:50   (   0.01, -75.19) (  -0.70, -72.00)  363.21                80
 01/13/2025   18:33:42   (  -0.01, -75.20) (  -0.47, -77.30)  238.46                80
 01/14/2025   18:17:35   (  -0.01, -75.21) (   0.52, -72.75)  279.76                80
 01/16/2025   06:39:19   (   0.01, -75.22) (   0.66, -78.01)  318.29                80
 01/17/2025   06:17:53   (   0.01, -75.23) (  -0.40, -73.48)  200.32                80
 01/18/2025   18:39:45   (  -0.01, -75.26) (  -0.76, -78.77)  399.89                80
 01/19/2025   18:23:38   (  -0.01, -75.27) (   0.24, -74.23)  119.43                80
 01/21/2025   06:45:22   (   0.01, -75.30) (   0.93, -79.49)  476.73                80
 01/22/2025   06:23:54   (   0.01, -75.32) (  -0.08, -74.94)   42.59                80