Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 10.  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)
 10/11/2025   20:33:37   (   0.03,-104.70) (  -0.56,-107.37)  304.54                80
 10/12/2025   20:17:30   (   0.03,-104.69) (   0.42,-102.83)  211.89                80
 10/14/2025   08:39:17   (  -0.03,-104.67) (   0.71,-108.09)  389.16                80
 10/15/2025   08:17:50   (  -0.04,-104.67) (  -0.27,-103.55)  127.06                80
 10/16/2025   20:39:45   (   0.03,-104.67) (  -0.92,-108.84)  476.38                80
 10/17/2025   20:23:39   (   0.04,-104.67) (   0.13,-104.31)   40.70                80
 10/20/2025   08:26:38   (  -0.03,-104.66) (   0.05,-105.03)   41.62                80
 10/21/2025   08:05:11   (  -0.03,-104.66) (  -0.94,-100.49)  475.15                80
 10/22/2025   20:27:06   (   0.02,-104.66) (  -0.25,-105.78)  128.10                80
 10/23/2025   20:11:00   (   0.02,-104.66) (   0.81,-101.25)  389.02                80