Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 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)
 10/30/2025   19:38:40   (   0.15, -89.50) (  -0.65, -92.93)  391.93                80
 10/31/2025   19:17:14   (   0.17, -89.50) (   0.42, -88.40)  125.31                80
 11/02/2025   07:41:38   (  -0.13, -89.49) (   0.82, -93.64)  473.48                80
 11/03/2025   07:20:12   (  -0.16, -89.50) (  -0.25, -89.12)   43.45                80
 11/05/2025   19:25:59   (   0.13, -89.51) (   0.04, -89.86)   39.83                80
 11/06/2025   19:04:34   (   0.15, -89.52) (   1.11, -85.33)  477.53                80
 11/08/2025   07:28:57   (  -0.11, -89.51) (   0.12, -90.57)  120.89                80
 11/09/2025   07:07:30   (  -0.14, -89.51) (  -0.91, -86.04)  395.90                80
 11/10/2025   19:32:04   (   0.09, -89.52) (  -0.31, -91.32)  204.78                80
 11/11/2025   19:10:37   (   0.12, -89.53) (   0.71, -86.78)  312.99                80