Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 7.  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)
 01/09/2024   22:32:57   (  -0.00,-136.95) (  -0.19,-137.68)   83.80                80
 01/10/2024   22:16:52   (   0.00,-136.94) (   0.86,-133.15)  431.31                80
 01/12/2024   10:35:58   (   0.00,-136.92) (   0.36,-138.41)  170.61                80
 01/13/2024   10:19:54   (   0.00,-136.90) (  -0.69,-133.88)  344.23                80
 01/14/2024   22:39:09   (  -0.01,-136.86) (  -0.51,-139.18)  263.64                80
 01/15/2024   22:23:04   (  -0.01,-136.84) (   0.49,-134.64)  251.07                80
 01/17/2024   10:42:11   (   0.01,-136.82) (   0.67,-139.91)  351.30                80
 01/18/2024   10:26:06   (   0.01,-136.80) (  -0.33,-135.37)  163.09                80
 01/19/2024   22:45:21   (  -0.00,-136.75) (  -0.86,-140.67)  445.81                80
 01/20/2024   22:29:15   (  -0.00,-136.73) (   0.15,-136.13)   68.10                80