Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 4 22.  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)
 04/24/2024   08:26:01   (   0.00,-104.73) (   0.09,-105.14)   45.96                80
 04/25/2024   08:04:37   (   0.00,-104.74) (  -0.95,-100.61)  471.74                80
 04/26/2024   20:26:32   (  -0.00,-104.74) (  -0.25,-105.90)  131.80                80
 04/27/2024   20:10:26   (   0.00,-104.75) (   0.75,-101.36)  385.76                80
 04/29/2024   08:32:14   (  -0.00,-104.77) (   0.41,-106.63)  211.95                80
 04/30/2024   08:10:48   (  -0.01,-104.78) (  -0.59,-102.09)  305.40                80
 05/01/2024   20:32:43   (  -0.01,-104.77) (  -0.58,-107.39)  298.09                80
 05/02/2024   20:16:38   (  -0.02,-104.78) (   0.44,-102.86)  219.91                80
 05/04/2024   08:38:24   (   0.01,-104.80) (   0.76,-108.11)  377.16                80
 05/05/2024   08:16:59   (   0.00,-104.81) (  -0.27,-103.58)  140.44                80