Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 13.  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)
 06/14/2024   10:51:52   (  -0.00,-137.01) (   0.96,-141.34)  493.75                80
 06/15/2024   10:30:29   (  -0.00,-137.01) (  -0.04,-136.81)   22.21                80
 06/17/2024   22:33:44   (   0.00,-136.99) (  -0.16,-137.59)   68.19                80
 06/18/2024   22:17:40   (  -0.00,-136.99) (   0.85,-133.06)  447.22                80
 06/20/2024   10:36:49   (   0.00,-136.98) (   0.33,-138.33)  154.69                80
 06/21/2024   10:20:46   (   0.00,-136.96) (  -0.68,-133.80)  360.05                80
 06/22/2024   22:40:04   (  -0.00,-136.94) (  -0.51,-139.11)  248.04                80
 06/23/2024   22:24:01   (  -0.00,-136.92) (   0.50,-134.58)  266.19                80
 06/25/2024   10:43:10   (  -0.00,-136.89) (   0.67,-139.85)  337.16                80
 06/26/2024   10:27:07   (  -0.01,-136.88) (  -0.35,-135.32)  176.79                80