Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 9 21.  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)
 09/21/2024   22:34:31   (   0.01,-136.99) (  -0.10,-137.52)   59.88                80
 09/22/2024   22:18:28   (  -0.01,-136.99) (   0.91,-133.00)  455.46                80
 09/24/2024   10:40:19   (   0.01,-136.96) (   0.32,-138.27)  148.76                80
 09/25/2024   10:18:56   (  -0.00,-136.95) (  -0.70,-133.74)  365.73                80
 09/26/2024   22:40:55   (   0.01,-136.95) (  -0.48,-139.05)  240.51                80
 09/27/2024   22:24:53   (   0.02,-136.94) (   0.54,-134.53)  273.86                80
 09/29/2024   10:46:44   (  -0.01,-136.91) (   0.61,-139.81)  330.28                80
 09/30/2024   10:28:01   (  -0.01,-136.90) (  -0.37,-135.28)  184.37                80
 10/01/2024   22:47:20   (   0.00,-136.89) (  -0.81,-140.59)  421.87                80
 10/02/2024   22:31:17   (   0.00,-136.87) (   0.17,-136.06)   92.57                80