Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 10 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)
 10/26/2025   22:36:33   (   0.01,-136.99) (  -0.10,-137.49)   56.67                80
 10/27/2025   22:15:07   (   0.01,-136.99) (   0.91,-132.95)  460.01                80
 10/29/2025   10:39:31   (  -0.01,-136.98) (   0.29,-138.20)  140.38                80
 10/30/2025   10:18:06   (  -0.01,-136.97) (  -0.78,-133.68)  376.00                80
 10/31/2025   22:42:39   (   0.01,-136.96) (  -0.45,-138.96)  228.22                80
 11/01/2025   22:21:13   (   0.01,-136.95) (   0.56,-134.42)  288.00                80
 11/03/2025   10:45:37   (  -0.00,-136.93) (   0.62,-139.67)  312.94                80
 11/04/2025   10:24:10   (  -0.00,-136.91) (  -0.39,-135.13)  202.86                80
 11/05/2025   22:48:44   (  -0.01,-136.89) (  -0.83,-140.42)  402.61                80
 11/06/2025   22:27:17   (  -0.01,-136.87) (   0.19,-135.88)  112.56                80