Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 5 18.  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)
 05/19/2024   10:38:49   (   0.00,-137.00) (   0.28,-138.25)  141.99                80
 05/20/2024   10:17:23   (   0.00,-137.00) (  -0.71,-133.71)  374.89                80
 05/21/2024   22:39:17   (  -0.00,-136.98) (  -0.46,-139.00)  230.30                80
 05/22/2024   22:23:11   (  -0.00,-136.97) (   0.54,-134.46)  286.04                80
 05/24/2024   10:44:56   (  -0.00,-136.96) (   0.64,-139.71)  313.92                80
 05/25/2024   10:23:31   (  -0.01,-136.95) (  -0.42,-135.18)  201.71                80
 05/26/2024   22:45:24   (   0.02,-136.91) (  -0.78,-140.47)  405.39                80
 05/27/2024   22:29:17   (   0.02,-136.89) (   0.23,-135.93)  109.89                80
 05/29/2024   10:48:23   (  -0.02,-136.87) (   0.93,-141.18)  491.16                80
 05/30/2024   10:32:16   (  -0.02,-136.85) (  -0.09,-136.64)   24.12                80