Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 21.  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)
 10/22/2025   20:27:06   (   0.02,-104.69) (  -0.22,-105.78)  123.95                80
 10/23/2025   20:10:59   (   0.02,-104.69) (   0.78,-101.24)  393.34                80
 10/25/2025   08:32:45   (  -0.01,-104.69) (   0.37,-106.50)  205.53                80
 10/26/2025   08:11:18   (  -0.01,-104.69) (  -0.63,-101.96)  311.12                80
 10/27/2025   20:33:12   (   0.01,-104.68) (  -0.54,-107.25)  293.08                80
 10/28/2025   20:17:06   (   0.01,-104.68) (   0.46,-102.71)  223.97                80
 10/30/2025   08:38:50   (  -0.01,-104.68) (   0.73,-107.97)  374.17                80
 10/31/2025   08:17:24   (  -0.01,-104.68) (  -0.29,-103.43)  142.54                80
 11/01/2025   20:39:18   (   0.01,-104.66) (  -0.88,-108.72)  461.99                80
 11/02/2025   20:23:12   (   0.01,-104.66) (   0.14,-104.18)   55.37                80