Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 28.  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)
 06/28/2024   22:30:22   (   0.01,-137.01) (   0.21,-136.11)  102.55                80
 06/30/2024   10:52:11   (  -0.01,-137.00) (   0.95,-141.38)  498.82                80
 07/01/2024   10:30:48   (  -0.01,-137.00) (  -0.08,-136.85)   17.27                80
 07/03/2024   22:34:02   (   0.02,-136.99) (  -0.13,-137.62)   72.95                80
 07/04/2024   22:17:58   (   0.02,-136.98) (   0.90,-133.10)  442.30                80
 07/06/2024   10:37:07   (  -0.03,-136.96) (   0.30,-138.36)  160.54                80
 07/07/2024   10:21:03   (  -0.03,-136.95) (  -0.73,-133.84)  354.59                80
 07/08/2024   22:40:20   (   0.04,-136.94) (  -0.49,-139.14)  251.45                80
 07/09/2024   22:24:17   (   0.03,-136.92) (   0.55,-134.61)  263.71                80
 07/11/2024   10:43:25   (  -0.04,-136.90) (   0.64,-139.88)  339.31                80
 07/12/2024   10:27:22   (  -0.04,-136.89) (  -0.40,-135.35)  175.62                80