Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 6 30.  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)
 06/30/2024   20:11:00   (  -0.00,-104.72) (   0.77,-101.35)  384.83                80
 07/02/2024   08:32:49   (  -0.02,-104.71) (   0.38,-106.62)  217.01                80
 07/03/2024   08:11:25   (  -0.02,-104.71) (  -0.59,-102.08)  299.26                80
 07/04/2024   20:33:23   (   0.02,-104.72) (  -0.58,-107.39)  304.59                80
 07/05/2024   20:17:20   (   0.02,-104.72) (   0.45,-102.87)  211.85                80
 07/07/2024   08:39:08   (  -0.02,-104.72) (   0.75,-108.13)  388.96                80
 07/08/2024   08:17:44   (  -0.01,-104.72) (  -0.23,-103.59)  127.77                80
 07/09/2024   20:39:42   (   0.01,-104.73) (  -0.92,-108.91)  475.44                80
 07/10/2024   20:23:37   (  -0.00,-104.74) (   0.06,-104.37)   41.72                80
 07/13/2024   08:26:42   (   0.01,-104.75) (   0.08,-105.11)   41.14                80