Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 8.  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)
 01/09/2025   10:31:50   (   0.01,-137.00) (   0.01,-136.89)   12.38                80
 01/11/2025   22:34:56   (  -0.01,-136.99) (  -0.14,-137.65)   74.91                80
 01/12/2025   22:18:49   (  -0.01,-136.98) (   0.85,-133.10)  441.66                80
 01/14/2025   10:40:33   (   0.01,-136.97) (   0.33,-138.36)  159.10                80
 01/15/2025   10:19:05   (   0.01,-136.96) (  -0.66,-133.82)  357.27                80
 01/16/2025   22:40:58   (  -0.01,-136.94) (  -0.50,-139.11)  247.01                80
 01/17/2025   22:24:50   (  -0.00,-136.94) (   0.51,-134.57)  269.38                80
 01/19/2025   10:46:34   (   0.00,-136.92) (   0.66,-139.83)  331.44                80
 01/20/2025   10:25:07   (  -0.00,-136.91) (  -0.35,-135.29)  184.66                80
 01/21/2025   22:46:58   (  -0.00,-136.89) (  -0.85,-140.57)  420.32                80