Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 5.  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)
 05/06/2025   10:39:42   (   0.00,-137.00) (   0.30,-138.28)  146.19                80
 05/07/2025   10:18:18   (  -0.00,-137.00) (  -0.71,-133.75)  369.99                80
 05/08/2025   22:42:55   (  -0.00,-137.00) (  -0.49,-139.05)  234.80                80
 05/09/2025   22:24:12   (   0.00,-137.00) (   0.52,-134.53)  281.13                80
 05/11/2025   10:46:02   (  -0.00,-137.00) (   0.64,-139.81)  320.83                80
 05/12/2025   10:27:19   (   0.00,-136.99) (  -0.38,-135.29)  194.60                80
 05/13/2025   22:46:36   (  -0.00,-136.98) (  -0.81,-140.59)  411.56                80
 05/14/2025   22:30:33   (  -0.00,-136.97) (   0.21,-136.07)  103.33                80
 05/17/2025   10:33:38   (   0.00,-136.94) (  -0.02,-136.82)   14.21                80