Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 12 19.  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)
 12/21/2024   06:25:03   (  -0.01, -75.18) (   0.01, -75.16)    2.83                80
 12/23/2024   18:28:11   (   0.01, -75.21) (  -0.18, -75.92)   81.10                80
 12/24/2024   18:12:05   (   0.00, -75.23) (   0.88, -71.39)  437.21                80
 12/26/2024   06:33:50   (   0.00, -75.23) (   0.33, -76.65)  162.16                80
 12/27/2024   06:12:24   (   0.01, -75.24) (  -0.66, -72.11)  356.02                80
 12/28/2024   18:34:18   (  -0.01, -75.27) (  -0.47, -77.42)  244.41                80
 12/29/2024   18:18:12   (  -0.00, -75.28) (   0.53, -72.88)  273.98                80
 12/31/2024   06:39:58   (  -0.00, -75.30) (   0.61, -78.15)  324.79                80
 01/01/2025   06:18:32   (  -0.00, -75.31) (  -0.39, -73.61)  193.56                80
 01/02/2025   18:40:25   (   0.00, -75.34) (  -0.78, -78.91)  406.49                80