Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 10.  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)
 10/12/2025   07:35:59   (  -0.21, -89.48) (   0.40, -92.32)  322.63                80
 10/13/2025   07:14:32   (  -0.23, -89.48) (  -0.58, -87.77)  193.64                80
 10/14/2025   19:39:07   (   0.21, -89.51) (  -0.61, -93.07)  406.18                80
 10/15/2025   19:17:41   (   0.23, -89.51) (   0.44, -88.54)  111.05                80
 10/17/2025   07:42:06   (  -0.20, -89.49) (   0.75, -93.79)  489.57                80
 10/18/2025   07:20:41   (  -0.22, -89.50) (  -0.30, -89.26)   27.86                80
 10/20/2025   19:26:29   (   0.20, -89.55) (   0.11, -90.01)   53.26                80
 10/21/2025   19:05:03   (   0.22, -89.56) (   1.16, -85.49)  464.82                80
 10/23/2025   07:29:28   (  -0.19, -89.55) (   0.07, -90.73)  134.42                80
 10/24/2025   07:08:01   (  -0.20, -89.56) (  -0.93, -86.19)  383.12                80