Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 25.  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)
 10/26/2025   08:11:18   (  -0.01,-104.69) (  -0.60,-101.95)  311.17                80
 10/27/2025   20:33:12   (   0.01,-104.68) (  -0.58,-107.25)  293.09                80
 10/28/2025   20:17:05   (   0.01,-104.68) (   0.43,-102.71)  223.93                80
 10/30/2025   08:38:51   (  -0.01,-104.68) (   0.70,-107.97)  374.39                80
 10/31/2025   08:17:24   (  -0.02,-104.68) (  -0.31,-103.43)  142.31                80
 11/01/2025   20:39:18   (   0.01,-104.66) (  -0.92,-108.71)  462.31                80
 11/02/2025   20:23:11   (   0.01,-104.66) (   0.09,-104.17)   55.03                80
 11/05/2025   08:26:09   (   0.00,-104.67) (   0.07,-104.89)   25.66                80
 11/06/2025   08:04:42   (   0.00,-104.66) (  -0.95,-100.35)  490.91                80
 11/07/2025   20:26:36   (  -0.01,-104.63) (  -0.27,-105.63)  114.58                80