Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 15.  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)
 06/17/2024   22:33:43   (  -0.01,-136.99) (  -0.16,-137.58)   67.87                80
 06/18/2024   22:17:40   (  -0.02,-136.99) (   0.84,-133.05)  447.56                80
 06/20/2024   10:39:29   (   0.02,-136.98) (   0.34,-138.33)  154.28                80
 06/21/2024   10:18:06   (   0.03,-136.96) (  -0.67,-133.80)  360.48                80
 06/22/2024   22:40:04   (  -0.03,-136.93) (  -0.52,-139.10)  247.55                80
 06/23/2024   22:24:01   (  -0.03,-136.92) (   0.49,-134.57)  266.72                80
 06/25/2024   10:43:10   (   0.03,-136.89) (   0.69,-139.85)  336.52                80
 06/26/2024   10:24:26   (   0.03,-136.87) (  -0.33,-135.32)  177.45                80
 06/27/2024   22:46:25   (  -0.03,-136.84) (  -0.85,-140.63)  431.54                80
 06/28/2024   22:30:20   (  -0.03,-136.81) (   0.11,-136.09)   82.33                80