Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 12 22.  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)
 12/23/2024   18:28:11   (   0.01, -75.21) (  -0.14, -75.93)   81.83                80
 12/24/2024   18:12:05   (   0.01, -75.22) (   0.86, -71.39)  436.18                80
 12/26/2024   06:33:50   (   0.00, -75.21) (   0.35, -76.65)  164.04                80
 12/27/2024   06:12:25   (   0.01, -75.22) (  -0.71, -72.12)  353.92                80
 12/28/2024   18:34:18   (  -0.01, -75.25) (  -0.49, -77.41)  246.41                80
 12/29/2024   18:18:11   (  -0.01, -75.26) (   0.52, -72.87)  271.73                80
 12/31/2024   06:39:58   (   0.00, -75.26) (   0.62, -78.15)  327.90                80
 01/01/2025   06:18:31   (   0.00, -75.27) (  -0.39, -73.61)  190.23                80
 01/02/2025   18:40:25   (  -0.00, -75.31) (  -0.78, -78.91)  409.70                80
 01/03/2025   18:24:18   (  -0.00, -75.32) (   0.23, -74.37)  109.21                80
 01/05/2025   06:46:03   (   0.00, -75.34) (   0.95, -79.63)  488.64                80