Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 30.  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) (   0.09,-105.25)   59.47                80
 08/02/2025   08:06:00   (  -0.03,-104.73) (  -0.93,-100.72)  456.89                80
 08/03/2025   20:27:57   (   0.04,-104.74) (  -0.28,-106.02)  146.65                80
 08/04/2025   20:11:52   (   0.04,-104.74) (   0.74,-101.49)  369.80                80
 08/06/2025   08:33:41   (  -0.05,-104.73) (   0.40,-106.77)  232.14                80
 08/07/2025   08:12:16   (  -0.05,-104.73) (  -0.62,-102.24)  284.02                80
 08/08/2025   20:34:12   (   0.06,-104.73) (  -0.57,-107.54)  319.94                80
 08/09/2025   20:18:08   (   0.05,-104.73) (   0.45,-103.01)  196.58                80
 08/11/2025   08:39:55   (  -0.06,-104.73) (   0.75,-108.28)  404.81                80
 08/12/2025   08:18:31   (  -0.06,-104.73) (  -0.27,-103.75)  111.63                80