Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 3 15.  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)
 03/16/2025   06:32:50   (  -0.07, -75.34) (   0.20, -76.54)  136.77                80
 03/17/2025   06:11:26   (  -0.08, -75.36) (  -0.85, -72.02)  381.46                80
 03/18/2025   18:33:22   (   0.07, -75.38) (  -0.34, -77.32)  220.32                80
 03/19/2025   18:17:16   (   0.07, -75.40) (   0.65, -72.78)  298.46                80
 03/21/2025   06:39:03   (  -0.07, -75.44) (   0.53, -78.05)  297.53                80
 03/22/2025   06:17:38   (  -0.06, -75.46) (  -0.52, -73.52)  221.12                80
 03/23/2025   18:39:33   (   0.06, -75.48) (  -0.70, -78.82)  380.44                80
 03/24/2025   18:23:28   (   0.05, -75.51) (   0.30, -74.28)  138.89                80
 03/26/2025   06:45:14   (  -0.04, -75.56) (   0.87, -79.55)  455.60                80
 03/27/2025   06:23:50   (  -0.04, -75.58) (  -0.20, -75.03)   63.85                80
 03/29/2025   18:27:00   (   0.04, -75.64) (   0.02, -75.80)   17.00                80