Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 12 29.  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)
 12/29/2024   18:18:11   (  -0.01, -75.21) (   0.49, -72.87)  266.30                80
 12/31/2024   06:39:57   (   0.01, -75.20) (   0.64, -78.14)  334.45                80
 01/01/2025   06:18:30   (   0.01, -75.20) (  -0.37, -73.60)  183.05                80
 01/02/2025   18:40:23   (  -0.01, -75.23) (  -0.85, -78.89)  417.81                80
 01/03/2025   18:24:16   (  -0.01, -75.24) (   0.17, -74.35)  100.40                80
 01/05/2025   06:46:01   (   0.01, -75.24) (   1.00, -79.61)  498.66                80
 01/06/2025   06:24:35   (   0.01, -75.25) (  -0.02, -75.08)   19.71                80
 01/08/2025   18:27:41   (  -0.00, -75.30) (  -0.14, -75.83)   61.53                80
 01/09/2025   18:11:34   (   0.00, -75.31) (   0.89, -71.30)  457.29                80
 01/11/2025   06:33:20   (  -0.01, -75.33) (   0.26, -76.56)  140.91                80