Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 10 22.  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)
 10/23/2024   22:35:09   (   0.00,-136.96) (  -0.10,-137.57)   69.23                80
 10/24/2024   22:16:24   (   0.01,-136.95) (   0.91,-133.04)  446.21                80
 10/26/2024   10:40:52   (  -0.01,-136.92) (   0.29,-138.30)  156.68                80
 10/27/2024   10:19:27   (  -0.01,-136.91) (  -0.73,-133.76)  358.57                80
 10/28/2024   22:44:03   (   0.00,-136.90) (  -0.49,-139.06)  246.20                80
 10/29/2024   22:22:39   (   0.00,-136.88) (   0.54,-134.52)  269.05                80
 10/31/2024   10:47:06   (   0.01,-136.85) (   0.64,-139.78)  334.06                80
 11/01/2024   10:25:41   (   0.01,-136.83) (  -0.33,-135.24)  180.68                80
 11/02/2024   22:50:17   (  -0.02,-136.81) (  -0.87,-140.54)  425.44                80
 11/03/2024   22:28:53   (  -0.02,-136.78) (   0.17,-136.01)   88.80                80