Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 26.  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)
 11/27/2025   22:34:22   (  -0.00,-137.01) (  -0.14,-137.56)   63.85                80
 11/28/2025   22:18:20   (  -0.01,-137.00) (   0.89,-133.04)  451.69                80
 11/30/2025   10:40:10   (   0.01,-136.99) (   0.28,-138.32)  150.75                80
 12/01/2025   10:18:47   (   0.01,-136.99) (  -0.70,-133.79)  364.30                80
 12/02/2025   22:40:46   (  -0.01,-136.97) (  -0.50,-139.10)  242.39                80
 12/03/2025   22:24:44   (  -0.02,-136.96) (   0.54,-134.58)  272.15                80
 12/05/2025   10:46:33   (   0.03,-136.93) (   0.68,-139.85)  331.91                80
 12/06/2025   10:25:10   (   0.03,-136.92) (  -0.36,-135.33)  182.01                80
 12/07/2025   22:47:09   (  -0.03,-136.89) (  -0.88,-140.63)  426.12                80
 12/08/2025   22:31:06   (  -0.03,-136.87) (   0.17,-136.11)   87.76                80