Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 2 15.  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)
 02/15/2024   22:41:18   (  -0.01,-137.00) (  -0.44,-139.02)  229.39                80
 02/16/2024   22:22:34   (  -0.01,-137.00) (   0.53,-134.49)  285.90                80
 02/18/2024   10:44:25   (   0.01,-137.00) (   0.66,-139.76)  315.50                80
 02/19/2024   10:23:02   (   0.01,-136.99) (  -0.38,-135.24)  199.41                80
 02/20/2024   22:47:41   (  -0.01,-136.97) (  -0.80,-140.56)  408.46                80
 02/21/2024   22:26:18   (  -0.01,-136.96) (   0.18,-136.03)  106.33                80
 02/23/2024   10:50:48   (   0.02,-136.96) (   0.99,-141.30)  495.50                80
 02/24/2024   10:29:25   (   0.01,-136.95) (   0.00,-136.77)   19.36                80
 02/26/2024   22:35:21   (  -0.01,-136.91) (  -0.17,-137.56)   74.67                80
 02/27/2024   22:13:58   (  -0.01,-136.89) (   0.88,-133.04)  439.66                80