Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 7 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)
 07/19/2024   22:34:12   (  -0.01,-137.00) (  -0.17,-137.62)   70.83                80
 07/20/2024   22:18:09   (  -0.02,-137.00) (   0.88,-133.10)  445.12                80
 07/22/2024   10:39:56   (   0.02,-136.99) (   0.34,-138.35)  155.52                80
 07/23/2024   10:18:32   (   0.02,-136.98) (  -0.66,-133.82)  360.03                80
 07/24/2024   22:40:29   (  -0.03,-136.96) (  -0.51,-139.12)  246.54                80
 07/25/2024   22:24:24   (  -0.03,-136.95) (   0.50,-134.59)  268.87                80
 07/27/2024   10:46:13   (   0.03,-136.94) (   0.66,-139.86)  332.39                80
 07/28/2024   10:24:48   (   0.03,-136.92) (  -0.36,-135.33)  182.61                80
 07/29/2024   22:46:45   (  -0.04,-136.89) (  -0.85,-140.62)  425.11                80
 07/30/2024   22:30:39   (  -0.04,-136.87) (   0.11,-136.08)   89.57                80