Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 06/23/2024   22:24:01   (   0.01,-136.99) (   0.53,-134.58)  274.06                80
 06/25/2024   10:45:51   (  -0.02,-136.99) (   0.64,-139.85)  327.30                80
 06/26/2024   10:24:27   (  -0.02,-136.98) (  -0.37,-135.33)  187.99                80
 06/27/2024   22:46:26   (   0.02,-136.96) (  -0.82,-140.63)  418.95                80
 06/28/2024   22:30:22   (   0.02,-136.95) (   0.20,-136.11)   96.21                80
 07/01/2024   10:31:37   (  -0.03,-136.93) (  -0.05,-136.85)    8.89                31
 07/03/2024   22:34:03   (   0.04,-136.88) (  -0.11,-137.63)   85.38                80
 07/04/2024   22:17:58   (   0.04,-136.86) (   0.86,-133.09)  428.72                80
 07/06/2024   10:37:08   (  -0.05,-136.84) (   0.30,-138.37)  174.71                80
 07/07/2024   10:21:04   (  -0.05,-136.81) (  -0.73,-133.84)  339.18                80