Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 8.  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)
 10/09/2025   19:32:58   (   0.22, -89.52) (  -0.27, -91.59)  236.50                80
 10/10/2025   19:11:33   (   0.23, -89.52) (   0.77, -87.06)  280.17                80
 10/12/2025   07:35:58   (  -0.21, -89.48) (   0.43, -92.31)  322.46                80
 10/13/2025   07:14:33   (  -0.23, -89.48) (  -0.61, -87.78)  193.81                80
 10/14/2025   19:39:07   (   0.21, -89.51) (  -0.58, -93.07)  406.26                80
 10/15/2025   19:17:42   (   0.23, -89.51) (   0.46, -88.54)  111.00                80
 10/17/2025   07:42:06   (  -0.20, -89.50) (   0.78, -93.79)  489.36                80
 10/18/2025   07:20:40   (  -0.22, -89.50) (  -0.27, -89.26)   27.90                80
 10/20/2025   19:26:28   (   0.20, -89.55) (   0.07, -90.01)   53.36                80
 10/21/2025   19:05:03   (   0.22, -89.56) (   1.12, -85.48)  464.81                80