Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 7 14.  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)
 07/15/2024   20:27:16   (   0.01,-104.72) (  -0.27,-105.88)  132.67                80
 07/16/2024   20:11:13   (   0.01,-104.72) (   0.78,-101.36)  383.84                80
 07/18/2024   08:33:01   (  -0.01,-104.72) (   0.40,-106.62)  217.27                80
 07/19/2024   08:11:36   (  -0.01,-104.71) (  -0.59,-102.09)  298.82                80
 07/20/2024   20:33:34   (   0.01,-104.71) (  -0.60,-107.39)  305.59                80
 07/21/2024   20:17:30   (   0.01,-104.71) (   0.45,-102.87)  210.69                80
 07/23/2024   08:39:18   (  -0.01,-104.71) (   0.78,-108.12)  390.22                80
 07/24/2024   08:17:54   (  -0.01,-104.70) (  -0.28,-103.60)  126.14                80
 07/25/2024   20:39:50   (   0.01,-104.70) (  -0.95,-108.89)  478.05                80
 07/26/2024   20:23:46   (   0.00,-104.70) (   0.06,-104.36)   38.65                80