Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 29.  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)
 07/29/2025   20:24:21   (   0.03,-104.73) (   0.06,-104.51)   25.59                80
 08/01/2025   08:27:25   (  -0.03,-104.73) (   0.06,-105.25)   59.53                80
 08/02/2025   08:06:01   (  -0.03,-104.73) (  -0.95,-100.72)  456.89                80
 08/03/2025   20:27:57   (   0.04,-104.74) (  -0.26,-106.02)  146.58                80
 08/04/2025   20:11:53   (   0.04,-104.74) (   0.76,-101.50)  369.84                80
 08/06/2025   08:33:41   (  -0.05,-104.73) (   0.38,-106.77)  232.14                80
 08/07/2025   08:12:15   (  -0.05,-104.73) (  -0.58,-102.23)  284.06                80
 08/08/2025   20:34:13   (   0.05,-104.73) (  -0.55,-107.55)  319.87                80
 08/09/2025   20:18:07   (   0.05,-104.74) (   0.42,-103.00)  196.68                80
 08/11/2025   08:39:56   (  -0.06,-104.73) (   0.73,-108.28)  404.73                80
 08/12/2025   08:18:31   (  -0.06,-104.73) (  -0.29,-103.75)  111.72                80