Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 11 1.  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)
 11/01/2025   20:39:18   (   0.02,-104.68) (  -0.88,-108.72)  460.40                80
 11/02/2025   20:23:12   (   0.02,-104.68) (   0.14,-104.18)   57.29                80
 11/05/2025   08:26:10   (  -0.00,-104.69) (   0.02,-104.89)   22.86                80
 11/06/2025   08:04:43   (  -0.00,-104.69) (  -0.99,-100.36)  494.14                80
 11/07/2025   20:26:37   (  -0.01,-104.67) (  -0.23,-105.64)  110.26                80
 11/08/2025   20:10:30   (  -0.00,-104.67) (   0.79,-101.10)  406.88                80
 11/10/2025   08:32:14   (   0.01,-104.68) (   0.37,-106.36)  190.61                80
 11/11/2025   08:10:48   (   0.00,-104.68) (  -0.65,-101.82)  326.23                80
 11/12/2025   20:32:41   (  -0.01,-104.66) (  -0.56,-107.10)  278.40                80
 11/13/2025   20:16:35   (  -0.00,-104.66) (   0.47,-102.57)  239.35                80
 11/15/2025   08:38:19   (   0.01,-104.69) (   0.69,-107.82)  356.27                80