Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 24.  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)
 11/25/2025   10:31:06   (   0.02,-137.00) (  -0.04,-136.77)   26.29                80
 11/27/2025   22:37:02   (  -0.00,-137.01) (  -0.15,-137.56)   64.02                80
 11/28/2025   22:15:40   (   0.00,-137.00) (   0.88,-133.04)  451.34                80
 11/30/2025   10:40:10   (   0.00,-136.99) (   0.28,-138.32)  151.02                80
 12/01/2025   10:18:47   (   0.00,-136.98) (  -0.69,-133.79)  363.99                80
 12/02/2025   22:43:26   (  -0.02,-136.97) (  -0.51,-139.10)  242.67                80
 12/03/2025   22:22:04   (  -0.02,-136.96) (   0.53,-134.58)  271.70                80
 12/05/2025   10:46:33   (   0.02,-136.93) (   0.70,-139.84)  332.52                80
 12/06/2025   10:25:10   (   0.01,-136.91) (  -0.34,-135.32)  181.15                80
 12/07/2025   22:49:50   (  -0.01,-136.89) (  -0.84,-140.64)  427.15                80