Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 5.  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)
 08/07/2025   22:34:51   (   0.04,-137.00) (  -0.16,-137.76)   87.93                80
 08/08/2025   22:18:47   (   0.04,-137.00) (   0.86,-133.23)  428.29                80
 08/10/2025   10:40:35   (  -0.04,-136.99) (   0.29,-138.51)  172.97                80
 08/11/2025   10:19:10   (  -0.04,-136.99) (  -0.74,-133.98)  342.95                80
 08/12/2025   22:41:07   (   0.04,-136.98) (  -0.45,-139.29)  262.44                80
 08/13/2025   22:25:01   (   0.04,-136.97) (   0.52,-134.74)  253.14                80
 08/15/2025   10:46:50   (  -0.05,-136.95) (   0.63,-140.02)  349.44                80
 08/16/2025   10:27:16   (  -0.05,-136.94) (  -0.39,-135.49)  165.37                31
 08/17/2025   22:47:20   (   0.05,-136.91) (  -0.84,-140.78)  441.86                80
 08/18/2025   22:31:16   (   0.06,-136.89) (   0.19,-136.26)   72.51                80