Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 9 13.  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)
 09/15/2024   08:26:50   (  -0.01,-104.70) (   0.02,-104.97)   29.58                80
 09/16/2024   08:05:27   (  -0.01,-104.70) (  -0.98,-100.44)  486.14                80
 09/17/2024   20:27:26   (   0.00,-104.71) (  -0.23,-105.75)  118.27                80
 09/18/2024   20:11:24   (   0.00,-104.72) (   0.78,-101.23)  397.80                80
 09/20/2024   08:33:15   (  -0.00,-104.72) (   0.39,-106.50)  203.77                80
 09/21/2024   08:11:53   (  -0.00,-104.71) (  -0.63,-101.98)  311.92                80
 09/22/2024   20:33:51   (   0.00,-104.72) (  -0.60,-107.28)  293.20                80
 09/23/2024   20:17:49   (   0.00,-104.72) (   0.44,-102.76)  222.76                80
 09/25/2024   08:39:39   (  -0.01,-104.72) (   0.76,-108.03)  378.47                80
 09/26/2024   08:18:16   (  -0.01,-104.72) (  -0.29,-103.51)  137.35                80