Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 10 11.  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)
 10/12/2024   22:41:18   (   0.00,-137.00) (  -0.48,-139.09)  239.41                80
 10/13/2024   22:25:15   (   0.00,-136.99) (   0.57,-134.57)  276.88                80
 10/15/2024   10:47:02   (  -0.00,-136.99) (   0.66,-139.82)  324.06                80
 10/16/2024   10:28:18   (  -0.00,-136.98) (  -0.40,-135.30)  192.07                80
 10/17/2024   22:47:35   (  -0.00,-136.97) (  -0.82,-140.59)  412.82                80
 10/18/2024   22:31:30   (  -0.01,-136.96) (   0.20,-136.06)  102.99                80
 10/20/2024   10:50:37   (   0.02,-136.94) (   0.99,-141.32)  498.64                80
 10/21/2024   10:31:52   (   0.02,-136.93) (   0.01,-136.78)   16.93                80
 10/23/2024   22:35:04   (  -0.02,-136.89) (  -0.15,-137.55)   74.31                80
 10/24/2024   22:16:18   (  -0.02,-136.88) (   0.85,-133.01)  440.85                80