Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 30.  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)
 12/01/2025   19:39:20   (  -0.06, -89.51) (  -0.86, -93.02)  400.73                80
 12/02/2025   19:17:58   (  -0.04, -89.51) (   0.18, -88.50)  115.08                80
 12/04/2025   07:42:27   (   0.10, -89.53) (   1.04, -93.77)  483.23                80
 12/05/2025   07:21:04   (   0.07, -89.53) (   0.01, -89.25)   31.81                80
 12/07/2025   19:27:00   (  -0.10, -89.53) (  -0.21, -90.03)   56.99                80
 12/08/2025   19:05:38   (  -0.06, -89.54) (   0.83, -85.51)  459.11                80
 12/10/2025   07:30:07   (   0.12, -89.57) (   0.39, -90.77)  137.83                80
 12/11/2025   07:08:45   (   0.08, -89.57) (  -0.65, -86.25)  378.15                80
 12/12/2025   19:33:23   (  -0.14, -89.58) (  -0.57, -91.56)  225.16                80
 12/13/2025   19:12:00   (  -0.11, -89.60) (   0.48, -87.04)  291.87                80