Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 5 13.  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)
 05/13/2024   10:48:46   (  -0.00,-136.99) (   1.00,-141.31)  492.71                80
 05/14/2024   10:32:41   (  -0.00,-136.98) (  -0.03,-136.78)   23.51                80
 05/16/2024   22:35:50   (   0.00,-136.95) (  -0.11,-137.53)   66.25                80
 05/17/2024   22:17:03   (   0.00,-136.94) (   0.87,-132.99)  449.81                80
 05/19/2024   10:36:10   (  -0.01,-136.93) (   0.26,-138.25)  150.30                80
 05/20/2024   10:20:03   (  -0.01,-136.92) (  -0.73,-133.71)  365.45                80
 05/21/2024   22:39:16   (   0.01,-136.88) (  -0.48,-138.99)  241.41                80
 05/22/2024   22:23:10   (   0.02,-136.86) (   0.53,-134.45)  273.78                80
 05/24/2024   10:42:15   (  -0.02,-136.84) (   0.64,-139.71)  327.97                80
 05/25/2024   10:26:09   (  -0.03,-136.81) (  -0.37,-135.17)  186.67                80
 05/26/2024   22:45:22   (   0.03,-136.76) (  -0.80,-140.46)  421.77                80