Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/30/2025   10:39:48   (   0.02,-137.00) (   0.28,-138.21)  137.69                80
 01/31/2025   10:18:21   (   0.02,-137.00) (  -0.75,-133.67)  379.86                80
 02/01/2025   22:42:52   (  -0.03,-137.00) (  -0.44,-138.95)  222.02                80
 02/02/2025   22:21:24   (  -0.03,-137.00) (   0.53,-134.40)  295.27                80
 02/04/2025   10:45:47   (   0.03,-136.98) (   0.62,-139.66)  305.22                80
 02/05/2025   10:24:18   (   0.03,-136.97) (  -0.36,-135.11)  211.56                80
 02/06/2025   22:46:10   (  -0.04,-136.96) (  -0.82,-140.39)  391.77                80
 02/07/2025   22:27:22   (  -0.04,-136.95) (   0.22,-135.86)  124.60                80
 02/09/2025   10:51:44   (   0.05,-136.92) (   0.97,-141.10)  476.99                80
 02/10/2025   10:30:16   (   0.05,-136.90) (  -0.02,-136.55)   39.14                80