Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 7 3.  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)
 07/03/2024   22:34:02   (   0.02,-137.01) (  -0.12,-137.63)   69.83                80
 07/04/2024   22:17:59   (   0.02,-137.01) (   0.91,-133.10)  446.33                80
 07/06/2024   10:37:07   (  -0.02,-137.01) (   0.29,-138.36)  154.75                80
 07/07/2024   10:21:03   (  -0.01,-137.00) (  -0.74,-133.84)  361.33                80
 07/08/2024   22:40:21   (   0.01,-137.00) (  -0.48,-139.14)  243.52                80
 07/09/2024   22:24:17   (   0.00,-137.00) (   0.55,-134.61)  272.58                80
 07/11/2024   10:43:26   (  -0.00,-136.99) (   0.64,-139.88)  328.72                80
 07/12/2024   10:27:21   (   0.00,-136.99) (  -0.34,-135.34)  187.12                80
 07/13/2024   22:46:39   (   0.00,-136.98) (  -0.81,-140.65)  418.59                80
 07/14/2024   22:30:35   (  -0.00,-136.97) (   0.17,-136.11)   96.80                80
 07/17/2024   10:33:40   (  -0.01,-136.93) (  -0.02,-136.86)    8.75                80