Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 3 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)
 03/23/2025   18:39:34   (   0.07, -75.48) (  -0.66, -78.83)  381.17                80
 03/24/2025   18:23:28   (   0.06, -75.50) (   0.36, -74.29)  138.13                80
 03/26/2025   06:45:14   (  -0.05, -75.54) (   0.86, -79.55)  457.20                80
 03/27/2025   06:23:48   (  -0.05, -75.56) (  -0.16, -75.01)   62.15                80
 03/29/2025   18:26:58   (   0.05, -75.63) (   0.01, -75.79)   17.90                80
 04/01/2025   06:32:38   (  -0.05, -75.71) (   0.15, -76.51)   91.98                80
 04/02/2025   06:11:12   (  -0.05, -75.74) (  -0.89, -71.98)  427.93                80
 04/03/2025   18:33:07   (   0.05, -75.78) (  -0.31, -77.28)  171.41                80
 04/04/2025   18:17:01   (   0.04, -75.81) (   0.74, -72.75)  349.26                80