Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 2.  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)
 05/03/2025   22:33:55   (   0.00,-136.99) (  -0.11,-137.53)   60.84                80
 05/04/2025   22:17:52   (   0.00,-136.99) (   0.90,-133.00)  454.46                80
 05/06/2025   10:39:42   (  -0.00,-136.98) (   0.27,-138.28)  148.16                80
 05/07/2025   10:18:19   (  -0.00,-136.97) (  -0.74,-133.76)  367.09                80
 05/08/2025   22:40:16   (   0.00,-136.96) (  -0.46,-139.06)  239.05                80
 05/09/2025   22:24:12   (   0.00,-136.95) (   0.55,-134.54)  275.88                80
 05/11/2025   10:46:03   (  -0.01,-136.94) (   0.61,-139.82)  327.70                80
 05/12/2025   10:27:18   (  -0.01,-136.92) (  -0.35,-135.28)  186.71                80
 05/13/2025   22:46:36   (   0.02,-136.90) (  -0.84,-140.59)  421.01                80
 05/14/2025   22:30:32   (   0.02,-136.88) (   0.19,-136.06)   92.86                80