Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 31.  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) (  -0.91,-108.71)  460.50                80
 11/02/2025   20:23:11   (   0.02,-104.68) (   0.10,-104.17)   57.22                80
 11/05/2025   08:26:09   (  -0.00,-104.69) (   0.06,-104.89)   23.03                80
 11/06/2025   08:04:43   (  -0.00,-104.68) (  -0.96,-100.35)  493.89                80
 11/07/2025   20:26:37   (  -0.01,-104.67) (  -0.20,-105.64)  110.75                80
 11/08/2025   20:10:31   (  -0.00,-104.67) (   0.82,-101.11)  406.37                80
 11/10/2025   08:32:14   (   0.01,-104.68) (   0.41,-106.35)  191.13                80
 11/11/2025   08:10:47   (   0.00,-104.67) (  -0.62,-101.81)  325.67                80
 11/12/2025   20:32:42   (  -0.01,-104.65) (  -0.53,-107.11)  279.15                80
 11/13/2025   20:16:34   (  -0.00,-104.66) (   0.44,-102.56)  238.56                80