Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 11.  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)
 01/12/2024   10:38:39   (   0.02,-137.00) (   0.33,-138.42)  161.18                80
 01/13/2024   10:17:14   (   0.02,-137.00) (  -0.67,-133.88)  355.35                80
 01/14/2024   22:41:49   (  -0.02,-136.99) (  -0.52,-139.18)  249.70                80
 01/15/2024   22:20:23   (  -0.02,-136.98) (   0.48,-134.64)  266.67                80
 01/17/2024   10:44:51   (   0.02,-136.98) (   0.67,-139.91)  333.25                80
 01/18/2024   10:23:25   (   0.02,-136.98) (  -0.33,-135.37)  182.85                80
 01/19/2024   22:48:00   (  -0.03,-136.96) (  -0.85,-140.67)  422.97                80
 01/20/2024   22:26:35   (  -0.03,-136.94) (   0.16,-136.13)   92.70                80
 01/23/2024   10:29:36   (   0.04,-136.92) (   0.02,-136.86)    6.97                80