Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 29.  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)
 11/30/2025   07:14:42   (   0.01, -89.50) (  -0.39, -87.72)  203.20                80
 12/01/2025   19:39:20   (  -0.06, -89.51) (  -0.87, -93.02)  400.83                80
 12/02/2025   19:17:57   (  -0.04, -89.51) (   0.16, -88.50)  114.95                80
 12/04/2025   07:42:27   (   0.10, -89.52) (   1.06, -93.76)  483.48                80
 12/05/2025   07:21:04   (   0.07, -89.52) (   0.02, -89.24)   31.57                80
 12/07/2025   19:27:00   (  -0.10, -89.52) (  -0.23, -90.02)   57.51                80
 12/08/2025   19:05:38   (  -0.06, -89.53) (   0.81, -85.51)  458.56                80
 12/10/2025   07:30:07   (   0.12, -89.56) (   0.41, -90.77)  138.52                80
 12/11/2025   07:08:44   (   0.08, -89.57) (  -0.63, -86.25)  377.45                80
 12/12/2025   19:33:23   (  -0.14, -89.57) (  -0.59, -91.55)  225.97                80