Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 18.  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)
 01/18/2024   10:23:25   (   0.01,-137.01) (  -0.35,-135.37)  186.08                80
 01/19/2024   22:45:21   (  -0.01,-136.99) (  -0.83,-140.67)  419.66                80
 01/20/2024   22:29:15   (  -0.01,-136.98) (   0.19,-136.14)   96.56                80
 01/23/2024   10:29:36   (   0.00,-136.98) (  -0.02,-136.86)   12.87                80
 01/25/2024   22:32:45   (  -0.01,-136.94) (  -0.18,-137.62)   78.11                80
 01/26/2024   22:16:39   (  -0.01,-136.92) (   0.84,-133.08)  437.71                80
 01/28/2024   10:38:26   (   0.01,-136.92) (   0.32,-138.34)  162.35                80
 01/29/2024   10:17:00   (   0.01,-136.91) (  -0.71,-133.81)  353.25                80
 01/30/2024   22:38:54   (  -0.01,-136.87) (  -0.50,-139.10)  254.04                80
 01/31/2024   22:22:48   (  -0.00,-136.86) (   0.48,-134.56)  261.30                80