Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 6.  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)
 05/07/2025   10:18:18   (  -0.00,-137.00) (  -0.70,-133.75)  369.94                80
 05/08/2025   22:40:16   (   0.00,-137.00) (  -0.44,-139.06)  234.76                80
 05/09/2025   22:24:13   (   0.00,-137.00) (   0.57,-134.54)  281.12                80
 05/11/2025   10:46:02   (  -0.00,-137.00) (   0.65,-139.81)  320.99                80
 05/12/2025   10:24:39   (  -0.00,-136.99) (  -0.36,-135.28)  194.40                80
 05/13/2025   22:46:36   (   0.00,-136.98) (  -0.83,-140.59)  411.78                80
 05/14/2025   22:30:32   (   0.00,-136.97) (   0.18,-136.07)  103.07                80
 05/17/2025   10:30:59   (  -0.00,-136.94) (  -0.05,-136.82)   13.86                80
 05/19/2025   22:34:12   (  -0.00,-136.90) (  -0.17,-137.59)   79.62                80