Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 12 30.  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)
 12/31/2024   06:39:56   (   0.01, -75.19) (   0.66, -78.13)  335.47                80
 01/01/2025   06:18:30   (   0.01, -75.19) (  -0.35, -73.60)  182.01                80
 01/02/2025   18:40:23   (  -0.01, -75.21) (  -0.81, -78.90)  418.86                80
 01/03/2025   18:24:17   (   0.00, -75.22) (   0.21, -74.36)   98.81                80
 01/06/2025   06:24:36   (  -0.02, -75.23) (  -0.08, -75.09)   17.10                80
 01/08/2025   18:27:40   (  -0.01, -75.27) (  -0.14, -75.83)   63.67                80
 01/09/2025   18:11:34   (  -0.01, -75.29) (   0.90, -71.30)  455.17                80
 01/11/2025   06:33:18   (   0.01, -75.30) (   0.31, -76.55)  143.47                80
 01/12/2025   06:11:52   (   0.01, -75.31) (  -0.74, -72.02)  375.24                80