Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 10 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)
 10/18/2024   22:31:33   (   0.03,-137.01) (   0.25,-136.08)  106.30                80
 10/20/2024   10:53:20   (  -0.01,-136.98) (   0.95,-141.33)  495.58                80
 10/21/2024   10:31:55   (  -0.01,-136.98) (  -0.06,-136.80)   20.13                80
 10/23/2024   22:37:47   (   0.01,-136.96) (  -0.12,-137.56)   68.56                80
 10/24/2024   22:16:23   (   0.02,-136.95) (   0.91,-133.03)  447.00                80
 10/26/2024   10:40:49   (  -0.01,-136.92) (   0.31,-138.28)  155.47                80
 10/27/2024   10:19:25   (  -0.02,-136.91) (  -0.74,-133.76)  360.01                80
 10/28/2024   22:44:00   (   0.01,-136.90) (  -0.49,-139.04)  244.36                80
 10/29/2024   22:22:35   (   0.01,-136.89) (   0.57,-134.52)  271.19                80
 10/31/2024   10:47:01   (   0.00,-136.86) (   0.67,-139.76)  331.38                80