Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 1 8.  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)
 01/09/2025   18:11:32   (  -0.01, -75.20) (   0.84, -71.28)  446.07                80
 01/11/2025   06:33:17   (   0.01, -75.19) (   0.30, -76.55)  154.16                80
 01/12/2025   06:11:50   (   0.01, -75.19) (  -0.69, -72.00)  363.19                80
 01/13/2025   18:33:42   (  -0.01, -75.20) (  -0.49, -77.29)  238.49                80
 01/14/2025   18:17:36   (  -0.01, -75.21) (   0.56, -72.76)  279.73                80
 01/16/2025   06:39:20   (   0.01, -75.22) (   0.62, -78.02)  318.32                80
 01/17/2025   06:17:53   (   0.01, -75.23) (  -0.38, -73.47)  200.28                80
 01/18/2025   18:39:45   (  -0.01, -75.26) (  -0.78, -78.77)  399.91                80
 01/19/2025   18:23:37   (  -0.01, -75.27) (   0.22, -74.22)  119.40                80
 01/21/2025   06:45:22   (   0.01, -75.30) (   0.95, -79.48)  476.77                80
 01/22/2025   06:23:54   (   0.01, -75.32) (  -0.06, -74.94)   42.59                80