Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 2 23.  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)
 02/23/2025   22:30:54   (   0.00,-137.00) (   0.18,-136.09)  103.04                80
 02/25/2025   10:52:42   (  -0.01,-136.99) (   0.97,-141.37)  498.93                80
 02/26/2025   10:31:18   (  -0.01,-136.99) (  -0.03,-136.84)   17.02                80
 02/28/2025   22:34:31   (   0.01,-136.99) (  -0.15,-137.62)   71.81                80
 03/01/2025   22:18:26   (   0.01,-136.99) (   0.86,-133.09)  443.97                80
 03/03/2025   10:37:33   (  -0.01,-136.97) (   0.33,-138.35)  158.86                80
 03/04/2025   10:21:29   (  -0.01,-136.96) (  -0.68,-133.82)  356.38                80
 03/05/2025   22:40:46   (   0.01,-136.95) (  -0.49,-139.14)  249.79                80
 03/06/2025   22:24:42   (   0.01,-136.93) (   0.53,-134.61)  264.90                80
 03/08/2025   10:43:49   (  -0.02,-136.90) (   0.64,-139.88)  339.35                80
 03/09/2025   10:27:45   (  -0.02,-136.88) (  -0.38,-135.35)  175.07                80