Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 15.  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)
 01/15/2024   22:23:04   (   0.01,-137.00) (   0.52,-134.65)  267.37                80
 01/17/2024   10:44:51   (  -0.01,-137.01) (   0.62,-139.92)  331.00                80
 01/18/2024   10:23:26   (  -0.01,-137.01) (  -0.39,-135.38)  185.78                80
 01/19/2024   22:45:21   (   0.01,-136.99) (  -0.79,-140.68)  419.77                80
 01/20/2024   22:29:16   (   0.02,-136.99) (   0.23,-136.15)   96.54                80
 01/23/2024   10:32:17   (  -0.03,-136.98) (  -0.06,-136.87)   12.82                80
 01/25/2024   22:32:45   (   0.03,-136.95) (  -0.13,-137.63)   77.84                80
 01/26/2024   22:16:40   (   0.03,-136.94) (   0.89,-133.09)  438.01                80
 01/28/2024   10:35:46   (  -0.03,-136.93) (   0.27,-138.36)  162.12                80