Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 8.  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)
 05/08/2025   22:40:15   (  -0.01,-137.00) (  -0.49,-139.05)  234.48                80
 05/09/2025   22:24:12   (  -0.01,-137.00) (   0.52,-134.53)  281.39                80
 05/11/2025   10:43:22   (   0.01,-136.99) (   0.64,-139.81)  321.05                80
 05/12/2025   10:27:19   (   0.01,-136.99) (  -0.38,-135.29)  194.26                80
 05/13/2025   22:46:36   (  -0.01,-136.98) (  -0.82,-140.59)  411.82                80
 05/14/2025   22:30:33   (  -0.01,-136.97) (   0.20,-136.07)  102.95                80
 05/17/2025   10:30:58   (   0.00,-136.93) (  -0.01,-136.81)   13.32                80
 05/19/2025   22:34:12   (   0.00,-136.89) (  -0.16,-137.60)   80.30                80
 05/20/2025   22:18:09   (   0.00,-136.88) (   0.87,-133.07)  433.70                80
 05/22/2025   10:39:58   (  -0.00,-136.84) (   0.33,-138.35)  171.19                80