Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 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)
 08/01/2025   08:27:25   (  -0.03,-104.73) (   0.10,-105.25)   59.46                80
 08/02/2025   08:06:00   (  -0.03,-104.73) (  -0.92,-100.72)  456.88                80
 08/03/2025   20:27:58   (   0.04,-104.74) (  -0.23,-106.03)  146.74                80
 08/04/2025   20:11:53   (   0.04,-104.74) (   0.79,-101.50)  369.65                80
 08/06/2025   08:33:40   (  -0.05,-104.73) (   0.41,-106.76)  232.29                80
 08/07/2025   08:12:16   (  -0.05,-104.72) (  -0.60,-102.23)  283.81                80
 08/08/2025   20:34:12   (   0.06,-104.73) (  -0.59,-107.54)  320.27                80
 08/09/2025   20:18:08   (   0.06,-104.73) (   0.44,-103.01)  196.21                80
 08/11/2025   08:39:56   (  -0.06,-104.73) (   0.71,-108.28)  405.15                80
 08/12/2025   08:18:31   (  -0.06,-104.72) (  -0.25,-103.74)  111.28                80
 08/13/2025   20:40:27   (   0.06,-104.73) (  -0.93,-109.05)  492.88                80