Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 27.  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)
 11/29/2025   07:36:04   (   0.04, -89.50) (   0.63, -92.24)  311.97                80
 11/30/2025   07:14:42   (   0.01, -89.50) (  -0.40, -87.72)  203.05                80
 12/01/2025   19:39:20   (  -0.06, -89.50) (  -0.86, -93.02)  401.26                80
 12/02/2025   19:17:58   (  -0.04, -89.51) (   0.18, -88.50)  114.36                80
 12/04/2025   07:42:27   (   0.10, -89.52) (   1.04, -93.77)  484.12                80
 12/05/2025   07:21:04   (   0.07, -89.52) (   0.00, -89.25)   30.77                80
 12/07/2025   19:27:00   (  -0.10, -89.51) (  -0.20, -90.03)   58.55                80
 12/08/2025   19:05:38   (  -0.06, -89.52) (   0.84, -85.51)  457.37                80
 12/10/2025   07:30:07   (   0.12, -89.55) (   0.38, -90.78)  139.76                80
 12/11/2025   07:08:45   (   0.08, -89.56) (  -0.67, -86.26)  376.09                80