Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 8 20.  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)
 08/20/2024   22:34:25   (  -0.02,-137.00) (  -0.16,-137.59)   66.93                80
 08/21/2024   22:18:21   (  -0.02,-137.00) (   0.89,-133.06)  450.14                80
 08/23/2024   10:40:08   (   0.02,-137.01) (   0.28,-138.32)  149.19                80
 08/24/2024   10:18:42   (   0.02,-137.00) (  -0.71,-133.78)  367.48                80
 08/25/2024   22:40:38   (  -0.02,-136.99) (  -0.47,-139.08)  237.10                80
 08/26/2024   22:24:32   (  -0.03,-136.99) (   0.53,-134.54)  279.22                80
 08/28/2024   10:46:19   (   0.03,-136.98) (   0.68,-139.79)  321.19                80
 08/29/2024   10:24:53   (   0.04,-136.97) (  -0.33,-135.26)  194.80                80
 08/30/2024   22:46:48   (  -0.04,-136.95) (  -0.82,-140.56)  410.63                80
 08/31/2024   22:30:42   (  -0.04,-136.94) (   0.14,-136.01)  105.38                80
 09/02/2024   10:52:29   (   0.05,-136.93) (   1.00,-141.28)  495.33                80
 09/03/2024   10:31:03   (   0.05,-136.91) (   0.03,-136.73)   20.65                80