Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 8 15.  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)
 08/16/2024   20:27:32   (   0.01,-104.70) (  -0.26,-105.86)  132.41                80
 08/17/2024   20:11:28   (   0.01,-104.70) (   0.77,-101.33)  384.15                80
 08/19/2024   08:33:15   (  -0.01,-104.69) (   0.42,-106.59)  216.71                80
 08/20/2024   08:11:51   (  -0.01,-104.69) (  -0.62,-102.07)  299.83                80
 08/21/2024   20:33:46   (   0.00,-104.69) (  -0.58,-107.36)  303.48                80
 08/22/2024   20:17:41   (   0.00,-104.69) (   0.41,-102.82)  213.46                80
 08/24/2024   08:39:28   (  -0.00,-104.69) (   0.75,-108.08)  386.63                80
 08/25/2024   08:18:02   (  -0.01,-104.69) (  -0.25,-103.54)  129.90                80
 08/26/2024   20:39:58   (   0.01,-104.68) (  -0.92,-108.84)  474.05                80
 08/27/2024   20:23:52   (   0.01,-104.68) (   0.09,-104.30)   42.71                80