Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2026 9 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)
 09/02/2026   20:24:42   (   0.53,-104.71) (   0.54,-104.58)   14.27                80
 09/05/2026   08:27:45   (  -0.53,-104.68) (  -0.38,-105.33)   74.15                80
 09/06/2026   08:06:21   (  -0.54,-104.67) (  -1.40,-100.80)  441.04                80
 09/07/2026   20:30:57   (   0.54,-104.68) (   0.23,-106.11)  162.43                80
 09/08/2026   20:12:13   (   0.55,-104.68) (   1.25,-101.58)  353.36                80
 09/10/2026   08:34:01   (  -0.53,-104.67) (  -0.07,-106.86)  249.27                80
 09/11/2026   08:12:37   (  -0.54,-104.67) (  -1.09,-102.33)  266.55                80
 09/12/2026   20:37:12   (   0.52,-104.68) (  -0.13,-107.63)  336.17                80
 09/13/2026   20:15:48   (   0.54,-104.68) (   0.89,-103.10)  179.98                80
 09/15/2026   08:40:16   (  -0.51,-104.67) (   0.29,-108.38)  421.85                80