Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 9 25.  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)
 09/25/2024   08:39:41   (  -0.00,-104.69) (   0.76,-108.04)  381.67                80
 09/26/2024   08:18:19   (  -0.00,-104.69) (  -0.26,-103.51)  133.79                80
 09/27/2024   20:40:18   (   0.01,-104.70) (  -0.93,-108.83)  470.00                80
 09/28/2024   20:24:16   (   0.01,-104.71) (   0.10,-104.30)   46.23                80
 10/01/2024   08:27:23   (  -0.01,-104.71) (   0.08,-105.05)   39.22                80
 10/02/2024   08:06:01   (  -0.01,-104.71) (  -0.96,-100.53)  476.94                80
 10/03/2024   20:28:00   (   0.01,-104.73) (  -0.21,-105.84)  126.42                80
 10/04/2024   20:11:57   (   0.01,-104.73) (   0.77,-101.31)  390.15                80
 10/06/2024   08:33:47   (  -0.01,-104.73) (   0.41,-106.58)  211.16                80
 10/07/2024   08:12:25   (  -0.02,-104.73) (  -0.64,-102.06)  304.65                80
 10/08/2024   20:34:23   (   0.02,-104.74) (  -0.58,-107.37)  300.07                80