Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 28.  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)
 05/29/2025   22:46:51   (  -0.00,-137.00) (  -0.85,-140.65)  417.16                80
 05/30/2025   22:30:48   (   0.00,-137.00) (   0.18,-136.13)   98.56                80
 06/02/2025   10:31:14   (  -0.01,-136.99) (  -0.04,-136.88)   12.32                80
 06/04/2025   22:37:08   (   0.01,-136.99) (  -0.12,-137.67)   77.37                80
 06/05/2025   22:15:43   (   0.01,-136.98) (   0.85,-133.13)  438.12                80
 06/07/2025   10:40:12   (  -0.01,-136.97) (   0.30,-138.41)  164.51                80
 06/08/2025   10:21:28   (  -0.01,-136.96) (  -0.67,-133.88)  350.47                80
 06/09/2025   22:40:46   (   0.01,-136.94) (  -0.46,-139.20)  256.36                80
 06/10/2025   22:24:42   (   0.02,-136.93) (   0.51,-134.66)  258.04                80