Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 10 25.  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,-136.98) (  -0.10,-137.49)   57.88                80
 10/27/2025   22:15:07   (   0.01,-136.97) (   0.91,-132.95)  458.26                80
 10/29/2025   10:39:31   (  -0.01,-136.95) (   0.29,-138.20)  143.19                80
 10/30/2025   10:18:05   (  -0.02,-136.94) (  -0.72,-133.66)  372.63                80
 10/31/2025   22:42:39   (   0.01,-136.92) (  -0.45,-138.96)  232.23                80
 11/01/2025   22:21:13   (   0.02,-136.91) (   0.56,-134.42)  283.45                80
 11/03/2025   10:45:37   (  -0.01,-136.88) (   0.62,-139.67)  318.53                80
 11/04/2025   10:24:10   (  -0.00,-136.86) (  -0.40,-135.13)  196.73                80
 11/05/2025   22:48:44   (  -0.01,-136.83) (  -0.83,-140.42)  409.39                80
 11/06/2025   22:27:17   (  -0.01,-136.80) (   0.20,-135.88)  105.22                80
 11/08/2025   10:51:41   (   0.02,-136.75) (   0.98,-141.13)  498.47                80