Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 23.  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)
 06/23/2024   22:24:02   (  -0.01,-136.99) (   0.54,-134.59)  274.66                80
 06/25/2024   10:45:51   (   0.01,-136.99) (   0.63,-139.86)  326.72                80
 06/26/2024   10:24:27   (   0.01,-136.98) (  -0.38,-135.33)  188.51                80
 06/27/2024   22:46:26   (  -0.01,-136.96) (  -0.81,-140.64)  418.52                80
 06/28/2024   22:30:22   (  -0.01,-136.95) (   0.21,-136.11)   96.62                80
 07/01/2024   10:30:47   (   0.01,-136.92) (  -0.00,-136.84)    9.36                80
 07/03/2024   22:34:02   (  -0.02,-136.87) (  -0.16,-137.62)   84.71                80
 07/04/2024   22:17:57   (  -0.02,-136.85) (   0.81,-133.08)  429.46                80
 07/06/2024   10:39:47   (   0.02,-136.83) (   0.35,-138.36)  173.90                80