Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2025   20:27:29   (   0.06,-104.70) (  -0.21,-105.89)  136.06                80
 10/07/2025   20:11:23   (   0.07,-104.70) (   0.82,-101.36)  381.29                80
 10/09/2025   08:33:08   (  -0.06,-104.70) (   0.39,-106.61)  218.47                80
 10/10/2025   08:11:43   (  -0.06,-104.70) (  -0.65,-102.08)  298.16                80
 10/11/2025   20:33:37   (   0.06,-104.70) (  -0.54,-107.37)  305.26                80
 10/12/2025   20:17:32   (   0.06,-104.70) (   0.50,-102.84)  211.68                80
 10/14/2025   08:39:17   (  -0.06,-104.70) (   0.69,-108.10)  387.52                80
 10/15/2025   08:17:51   (  -0.06,-104.69) (  -0.30,-103.56)  129.22                80
 10/16/2025   20:39:45   (   0.06,-104.69) (  -0.88,-108.85)  474.21                80
 10/17/2025   20:23:39   (   0.06,-104.70) (   0.17,-104.32)   43.43                80
 10/20/2025   08:26:38   (  -0.06,-104.72) (   0.01,-105.04)   36.59                80