Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 10 26.  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)
 10/26/2025   22:35:15   (   0.01,-136.98) (   0.00,-137.51)   59.12                 0
 10/27/2025   22:15:07   (   0.01,-136.97) (   0.89,-132.95)  458.31                80
 10/29/2025   10:39:32   (  -0.01,-136.95) (   0.25,-138.21)  143.18                80
 10/30/2025   10:18:05   (  -0.02,-136.94) (  -0.76,-133.67)  372.65                80
 10/31/2025   22:42:40   (   0.01,-136.92) (  -0.41,-138.97)  232.20                80
 11/01/2025   22:21:13   (   0.02,-136.91) (   0.60,-134.43)  283.52                80
 11/03/2025   10:45:37   (  -0.01,-136.88) (   0.64,-139.67)  318.49                80
 11/04/2025   10:24:10   (  -0.00,-136.86) (  -0.38,-135.13)  196.79                80
 11/05/2025   22:48:44   (  -0.01,-136.83) (  -0.79,-140.42)  409.32                80
 11/06/2025   22:27:17   (  -0.01,-136.80) (   0.17,-135.87)  105.34                80
 11/08/2025   10:51:41   (   0.02,-136.75) (   1.00,-141.13)  498.39                80
 11/09/2025   10:30:15   (   0.01,-136.72) (  -0.02,-136.59)   15.60                80