Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 25.  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)
 08/26/2025   10:40:32   (  -0.03,-137.00) (   0.33,-138.49)  170.75                80
 08/27/2025   10:19:08   (  -0.03,-137.00) (  -0.70,-133.96)  346.21                80
 08/28/2025   22:41:03   (   0.03,-137.01) (  -0.50,-139.26)  256.73                80
 08/29/2025   22:24:59   (   0.03,-137.01) (   0.54,-134.73)  259.74                80
 08/31/2025   10:46:47   (  -0.04,-137.00) (   0.62,-140.01)  342.39                80
 09/01/2025   10:25:22   (  -0.04,-137.00) (  -0.36,-135.47)  173.49                80
 09/02/2025   22:47:17   (   0.05,-136.99) (  -0.83,-140.77)  431.04                80
 09/03/2025   22:31:12   (   0.05,-136.98) (   0.21,-136.24)   84.48                80
 09/06/2025   10:31:35   (  -0.06,-136.95) (  -0.04,-136.98)    3.61                80