Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 12 4.  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)
 12/04/2024   22:48:26   (  -0.00,-137.01) (  -0.87,-140.84)  437.31                80
 12/05/2024   22:32:21   (  -0.01,-137.01) (   0.14,-136.31)   79.46                80
 12/08/2024   10:35:22   (   0.01,-137.00) (   0.03,-137.04)    4.75                80
 12/10/2024   22:35:51   (  -0.02,-136.99) (  -0.22,-137.81)   92.85                80
 12/11/2024   22:19:45   (  -0.02,-136.99) (   0.81,-133.27)  423.19                80
 12/13/2024   10:41:31   (   0.02,-136.97) (   0.36,-138.54)  178.83                80
 12/14/2024   10:20:05   (   0.03,-136.96) (  -0.61,-134.00)  336.65                80
 12/15/2024   22:41:59   (  -0.03,-136.94) (  -0.56,-139.30)  269.17                80
 12/16/2024   22:23:14   (  -0.03,-136.92) (   0.48,-134.77)  246.07                80
 12/18/2024   10:47:39   (   0.04,-136.90) (   0.74,-140.03)  356.78                80