Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 26.  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)
 10/27/2025   20:33:13   (   0.01,-104.68) (  -0.54,-107.26)  293.07                80
 10/28/2025   20:17:06   (   0.02,-104.68) (   0.47,-102.71)  223.99                80
 10/30/2025   08:38:50   (  -0.01,-104.68) (   0.72,-107.97)  374.27                80
 10/31/2025   08:17:24   (  -0.02,-104.68) (  -0.29,-103.43)  142.45                80
 11/01/2025   20:39:18   (   0.01,-104.66) (  -0.88,-108.72)  462.12                80
 11/02/2025   20:23:12   (   0.01,-104.66) (   0.13,-104.18)   55.17                80
 11/05/2025   08:26:10   (   0.00,-104.67) (   0.03,-104.89)   25.40                80
 11/06/2025   08:04:43   (  -0.00,-104.66) (  -0.99,-100.36)  491.23                80
 11/07/2025   20:26:36   (  -0.01,-104.64) (  -0.23,-105.64)  114.19                80
 11/08/2025   20:10:30   (  -0.01,-104.63) (   0.79,-101.10)  402.56                80