Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 8 30.  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)
 08/30/2024   22:46:50   (   0.02,-137.00) (  -0.75,-140.57)  405.87                80
 08/31/2024   22:30:44   (   0.02,-137.01) (   0.26,-136.03)  111.60                80
 09/02/2024   10:52:31   (  -0.03,-137.00) (   0.93,-141.29)  488.37                80
 09/03/2024   10:32:02   (  -0.03,-137.01) (  -0.09,-136.75)   28.98                23
 09/05/2024   22:34:14   (   0.03,-137.02) (  -0.07,-137.51)   55.95                80
 09/06/2024   22:18:08   (   0.02,-137.01) (   0.90,-132.96)  461.14                80
 09/08/2024   10:37:14   (  -0.03,-137.00) (   0.27,-138.22)  139.80                80
 09/09/2024   10:21:08   (  -0.03,-136.99) (  -0.78,-133.69)  376.67                80
 09/10/2024   22:40:22   (   0.03,-136.98) (  -0.45,-138.97)  227.28                80
 09/11/2024   22:24:16   (   0.03,-136.97) (   0.60,-134.44)  288.71                80
 09/13/2024   10:43:22   (  -0.04,-136.94) (   0.60,-139.69)  313.76                80