Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 8 16.  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)
 08/17/2024   10:52:40   (   0.02,-137.01) (   0.98,-141.37)  496.24                80
 08/18/2024   10:31:14   (   0.02,-137.00) (   0.00,-136.82)   20.10                80
 08/20/2024   22:34:25   (  -0.02,-136.98) (  -0.17,-137.59)   69.57                80
 08/21/2024   22:18:21   (  -0.02,-136.97) (   0.88,-133.06)  446.45                80
 08/23/2024   10:40:07   (   0.03,-136.96) (   0.35,-138.31)  153.84                80
 08/24/2024   10:18:42   (   0.03,-136.95) (  -0.70,-133.78)  361.80                80
 08/25/2024   22:40:37   (  -0.03,-136.92) (  -0.53,-139.07)  244.90                80
 08/26/2024   22:24:31   (  -0.03,-136.91) (   0.48,-134.53)  270.40                80
 08/28/2024   10:46:19   (   0.04,-136.89) (   0.67,-139.80)  330.98                80
 08/29/2024   10:24:53   (   0.04,-136.87) (  -0.34,-135.26)  184.02                80