Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 08/21/2024   20:33:47   (   0.04,-104.72) (  -0.53,-107.37)  301.50                80
 08/22/2024   20:17:41   (   0.04,-104.73) (   0.46,-102.83)  216.46                80
 08/24/2024   08:39:28   (  -0.04,-104.73) (   0.71,-108.09)  383.04                80
 08/25/2024   08:18:03   (  -0.04,-104.73) (  -0.29,-103.55)  134.51                80
 08/26/2024   20:39:58   (   0.05,-104.75) (  -0.89,-108.85)  467.25                80
 08/27/2024   20:23:53   (   0.05,-104.76) (   0.12,-104.31)   50.58                80
 08/30/2024   08:26:55   (  -0.06,-104.77) (   0.02,-105.04)   31.18                80
 08/31/2024   08:05:29   (  -0.06,-104.78) (  -1.00,-100.50)  486.63                80
 09/01/2024   20:27:25   (   0.07,-104.80) (  -0.14,-105.81)  114.55                80
 09/02/2024   20:11:19   (   0.07,-104.81) (   0.88,-101.27)  403.90                80