Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 12 25.  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)
 12/26/2024   06:33:50   (  -0.01, -75.18) (   0.32, -76.65)  167.41                80
 12/27/2024   06:12:24   (   0.00, -75.18) (  -0.68, -72.11)  349.83                80
 12/28/2024   18:34:17   (  -0.01, -75.20) (  -0.52, -77.41)  251.64                80
 12/29/2024   18:18:11   (  -0.01, -75.20) (   0.49, -72.87)  265.84                80
 12/31/2024   06:39:57   (   0.01, -75.20) (   0.64, -78.14)  334.83                80
 01/01/2025   06:18:31   (   0.01, -75.20) (  -0.37, -73.60)  182.56                80
 01/02/2025   18:40:24   (  -0.00, -75.22) (  -0.80, -78.90)  418.64                80
 01/03/2025   18:24:17   (  -0.00, -75.23) (   0.22, -74.36)   99.52                80
 01/05/2025   06:46:03   (   0.00, -75.24) (   0.96, -79.63)  499.47                80
 01/06/2025   06:24:35   (   0.00, -75.25) (  -0.01, -75.08)   19.09                80