Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 3.  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)
 01/03/2024   22:45:30   (   0.02,-136.99) (  -0.80,-140.73)  425.59                80
 01/04/2024   22:29:25   (   0.02,-136.99) (   0.19,-136.19)   91.02                80
 01/07/2024   10:29:46   (   0.01,-136.99) (   0.00,-136.92)    7.97                80
 01/09/2024   22:32:57   (  -0.01,-136.95) (  -0.16,-137.69)   83.39                80
 01/10/2024   22:16:52   (  -0.01,-136.94) (   0.83,-133.15)  431.72                80
 01/12/2024   10:35:59   (   0.01,-136.92) (   0.34,-138.42)  170.12                80
 01/13/2024   10:17:14   (   0.01,-136.90) (  -0.66,-133.88)  344.70                80
 01/14/2024   22:39:09   (  -0.01,-136.87) (  -0.54,-139.17)  263.17                80
 01/15/2024   22:23:03   (  -0.01,-136.85) (   0.46,-134.64)  251.53                80