Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 10.  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)
 01/10/2024   22:16:52   (   0.01,-137.00) (   0.88,-133.16)  437.81                80
 01/12/2024   10:36:00   (  -0.01,-137.00) (   0.29,-138.43)  161.89                80
 01/13/2024   10:19:54   (  -0.02,-137.00) (  -0.71,-133.89)  354.46                80
 01/14/2024   22:39:10   (   0.02,-136.98) (  -0.49,-139.18)  250.95                80
 01/15/2024   22:23:04   (   0.02,-136.98) (   0.51,-134.65)  265.34                80
 01/17/2024   10:42:11   (  -0.02,-136.98) (   0.64,-139.92)  334.79                80
 01/18/2024   10:26:06   (  -0.02,-136.97) (  -0.36,-135.38)  181.21                80
 01/19/2024   22:45:21   (   0.03,-136.95) (  -0.82,-140.68)  425.08                80
 01/20/2024   22:29:16   (   0.03,-136.94) (   0.18,-136.14)   90.43                80
 01/23/2024   10:32:18   (  -0.04,-136.91) (  -0.05,-136.87)    4.00                80