Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 3 27.  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)
 03/29/2025   18:26:57   (   0.05, -75.49) (  -0.01, -75.78)   33.12                80
 03/30/2025   18:10:52   (   0.06, -75.49) (   1.02, -71.25)  483.85                80
 04/01/2025   06:32:37   (  -0.05, -75.50) (   0.18, -76.50)  114.73                80
 04/02/2025   06:11:12   (  -0.06, -75.50) (  -0.85, -71.97)  402.15                80
 04/03/2025   18:33:06   (   0.05, -75.50) (  -0.35, -77.27)  202.14                80
 04/04/2025   18:17:00   (   0.05, -75.50) (   0.64, -72.73)  315.41                80
 04/06/2025   06:38:46   (  -0.04, -75.52) (   0.49, -78.00)  281.70                80
 04/07/2025   06:17:19   (  -0.04, -75.53) (  -0.50, -73.46)  236.22                80
 04/08/2025   18:39:14   (   0.03, -75.54) (  -0.67, -78.76)  366.52                80
 04/09/2025   18:23:07   (   0.03, -75.55) (   0.33, -74.22)  152.26                80