Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 9 19.  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)
 09/19/2024   10:31:14   (  -0.00,-136.99) (  -0.09,-136.74)   29.91                80
 09/21/2024   22:34:30   (   0.01,-137.00) (  -0.11,-137.52)   60.03                80
 09/22/2024   22:18:28   (   0.01,-136.99) (   0.90,-133.00)  454.85                80
 09/24/2024   10:40:19   (  -0.02,-136.97) (   0.27,-138.28)  148.99                80
 09/25/2024   10:18:57   (  -0.02,-136.96) (  -0.75,-133.75)  365.64                80
 09/26/2024   22:40:56   (   0.02,-136.95) (  -0.44,-139.06)  240.61                80
 09/27/2024   22:24:54   (   0.02,-136.94) (   0.59,-134.54)  274.01                80
 09/29/2024   10:46:44   (  -0.02,-136.91) (   0.62,-139.81)  329.92                80
 09/30/2024   10:28:00   (  -0.02,-136.90) (  -0.36,-135.28)  184.71                80
 10/01/2024   22:47:20   (   0.01,-136.89) (  -0.81,-140.59)  421.79                80
 10/02/2024   22:31:16   (   0.01,-136.88) (   0.17,-136.06)   92.68                80