Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 11.  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)
 05/12/2025   10:24:39   (  -0.01,-136.99) (  -0.41,-135.29)  193.64                80
 05/13/2025   22:46:37   (   0.02,-136.98) (  -0.79,-140.60)  412.45                80
 05/14/2025   22:30:33   (   0.02,-136.97) (   0.23,-136.07)  102.21                80
 05/17/2025   10:33:39   (  -0.01,-136.93) (  -0.03,-136.82)   12.39                80
 05/19/2025   22:34:13   (   0.01,-136.89) (  -0.14,-137.60)   80.76                80
 05/20/2025   22:18:09   (   0.00,-136.87) (   0.88,-133.08)  433.30                80
 05/22/2025   10:37:19   (  -0.01,-136.84) (   0.32,-138.35)  172.07                80
 05/23/2025   10:21:15   (  -0.01,-136.82) (  -0.70,-133.82)  341.50                80
 05/24/2025   22:40:33   (   0.02,-136.78) (  -0.49,-139.13)  267.43                80