Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 4.  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)
 11/05/2025   19:25:59   (   0.13, -89.51) (   0.06, -89.86)   39.71                80
 11/06/2025   19:04:33   (   0.15, -89.51) (   1.08, -85.32)  477.12                80
 11/08/2025   07:28:56   (  -0.11, -89.49) (   0.15, -90.57)  122.60                80
 11/09/2025   07:07:31   (  -0.14, -89.49) (  -0.93, -86.04)  393.66                80
 11/10/2025   19:32:04   (   0.09, -89.50) (  -0.29, -91.32)  207.38                80
 11/11/2025   19:10:38   (   0.12, -89.50) (   0.73, -86.78)  309.89                80
 11/13/2025   07:35:01   (  -0.08, -89.50) (   0.49, -92.03)  287.66                80
 11/14/2025   07:13:34   (  -0.11, -89.51) (  -0.53, -87.49)  229.54                80
 11/15/2025   19:38:08   (   0.06, -89.52) (  -0.68, -92.77)  370.72                80
 11/16/2025   19:16:41   (   0.09, -89.53) (   0.35, -88.24)  147.44                80
 11/18/2025   07:41:05   (  -0.03, -89.55) (   0.87, -93.48)  448.21                80