Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 08/25/2025   07:36:32   (  -0.19, -89.47) (   0.50, -92.46)  341.52                80
 08/26/2025   07:17:05   (  -0.19, -89.47) (  -0.53, -87.94)  175.49                38
 08/27/2025   19:37:04   (   0.19, -89.53) (  -0.61, -93.25)  423.26                80
 08/28/2025   19:20:58   (   0.19, -89.53) (   0.37, -88.71)   93.99                80
 08/31/2025   07:21:21   (  -0.20, -89.51) (  -0.19, -89.44)    7.31                80
 09/02/2025   19:24:32   (   0.21, -89.56) (   0.03, -90.21)   74.97                80
 09/03/2025   19:08:27   (   0.21, -89.57) (   1.07, -85.69)  442.41                80
 09/05/2025   07:30:16   (  -0.22, -89.54) (   0.08, -90.96)  161.31                80
 09/06/2025   07:08:50   (  -0.22, -89.55) (  -0.90, -86.42)  356.13                80