Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 9 16.  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)
 09/17/2024   20:27:27   (  -0.01,-104.71) (  -0.23,-105.75)  118.40                80
 09/18/2024   20:11:24   (  -0.01,-104.71) (   0.77,-101.22)  397.40                80
 09/20/2024   08:33:15   (   0.01,-104.70) (   0.42,-106.50)  205.01                80
 09/21/2024   08:11:53   (   0.00,-104.70) (  -0.59,-101.97)  310.36                80
 09/22/2024   20:33:52   (  -0.00,-104.70) (  -0.61,-107.28)  294.69                80
 09/23/2024   20:17:50   (  -0.00,-104.70) (   0.41,-102.76)  221.01                80
 09/25/2024   08:39:41   (   0.00,-104.70) (   0.75,-108.04)  380.87                80
 09/26/2024   08:18:19   (   0.00,-104.70) (  -0.27,-103.52)  134.61                80
 09/27/2024   20:40:17   (  -0.01,-104.70) (  -0.96,-108.82)  470.58                80
 09/28/2024   20:24:14   (  -0.01,-104.70) (   0.07,-104.30)   45.63                80