Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 5 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)
 05/10/2024   22:48:26   (  -0.00,-137.00) (  -0.81,-140.59)  409.68                80
 05/11/2024   22:27:01   (   0.00,-136.99) (   0.21,-136.06)  106.77                80
 05/13/2024   10:48:47   (  -0.01,-137.00) (   0.98,-141.32)  492.46                80
 05/14/2024   10:32:42   (  -0.01,-136.99) (  -0.05,-136.78)   23.91                80
 05/16/2024   22:35:50   (   0.01,-136.96) (  -0.12,-137.54)   65.40                80
 05/17/2024   22:14:25   (   0.01,-136.95) (   0.92,-133.00)  450.83                80
 05/19/2024   10:36:10   (  -0.01,-136.95) (   0.30,-138.25)  148.87                80
 05/20/2024   10:20:05   (  -0.02,-136.94) (  -0.74,-133.72)  367.05                80
 05/21/2024   22:41:59   (   0.02,-136.91) (  -0.43,-139.01)  239.66                80
 05/22/2024   22:23:13   (   0.02,-136.89) (   0.56,-134.47)  275.69                80
 05/24/2024   10:42:18   (  -0.03,-136.87) (   0.64,-139.72)  325.73                80