Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 7 19.  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   22:34:13   (   0.03,-137.00) (  -0.13,-137.63)   71.61                80
 07/20/2024   22:18:10   (   0.03,-137.00) (   0.93,-133.11)  444.26                80
 07/22/2024   10:39:57   (  -0.03,-136.99) (   0.29,-138.36)  156.58                80
 07/23/2024   10:18:33   (  -0.03,-136.99) (  -0.77,-133.84)  359.06                80
 07/24/2024   22:40:30   (   0.04,-136.97) (  -0.46,-139.13)  247.40                80
 07/25/2024   22:24:25   (   0.04,-136.96) (   0.55,-134.60)  268.16                80
 07/27/2024   10:43:33   (  -0.04,-136.95) (   0.60,-139.87)  333.16                80
 07/28/2024   10:27:29   (  -0.04,-136.93) (  -0.41,-135.34)  181.90                80
 07/29/2024   22:46:45   (   0.05,-136.90) (  -0.79,-140.64)  425.85                80
 07/30/2024   22:30:41   (   0.05,-136.88) (   0.23,-136.11)   88.76                80