Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 12 10.  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)
 12/10/2024   22:35:51   (  -0.01,-137.01) (  -0.17,-137.81)   91.18                80
 12/11/2024   22:19:45   (  -0.01,-137.01) (   0.80,-133.27)  425.59                80
 12/13/2024   10:41:31   (   0.02,-137.00) (   0.37,-138.54)  175.49                80
 12/14/2024   10:20:06   (   0.02,-136.99) (  -0.66,-134.01)  340.44                80
 12/15/2024   22:42:00   (  -0.02,-136.98) (  -0.52,-139.31)  264.66                80
 12/16/2024   22:25:53   (  -0.01,-136.97) (   0.46,-134.77)  251.03                80
 12/18/2024   10:47:40   (   0.01,-136.96) (   0.70,-140.04)  350.98                80
 12/19/2024   10:26:13   (   0.00,-136.95) (  -0.29,-135.50)  164.56                80
 12/20/2024   22:50:48   (  -0.00,-136.93) (  -0.86,-140.80)  440.79                80
 12/21/2024   22:29:21   (   0.00,-136.92) (   0.13,-136.26)   74.82                80