Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 8 18.  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)
 08/19/2024   08:33:15   (  -0.04,-104.69) (   0.41,-106.59)  217.08                80
 08/20/2024   08:11:51   (  -0.04,-104.70) (  -0.63,-102.07)  300.31                80
 08/21/2024   20:33:46   (   0.04,-104.72) (  -0.57,-107.36)  301.17                80
 08/22/2024   20:17:42   (   0.04,-104.73) (   0.48,-102.83)  216.71                80
 08/24/2024   08:39:29   (  -0.04,-104.73) (   0.69,-108.10)  382.66                80
 08/25/2024   08:18:03   (  -0.04,-104.74) (  -0.31,-103.56)  134.80                80
 08/26/2024   20:39:59   (   0.05,-104.75) (  -0.87,-108.85)  467.31                80
 08/27/2024   20:23:53   (   0.05,-104.76) (   0.14,-104.32)   50.33                80
 08/30/2024   08:26:55   (  -0.06,-104.77) (  -0.00,-105.05)   31.24                80
 08/31/2024   08:05:30   (  -0.06,-104.78) (  -1.02,-100.51)  486.43                80