Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 10 6.  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)
 10/07/2025   10:52:34   (  -0.01,-137.04) (   0.98,-141.38)  495.69                80
 10/08/2025   10:31:09   (  -0.01,-137.04) (  -0.06,-136.85)   21.76                80
 10/10/2025   22:34:18   (   0.01,-137.05) (  -0.09,-137.61)   63.64                80
 10/11/2025   22:18:11   (   0.02,-137.05) (   0.89,-133.07)  452.98                80
 10/13/2025   10:39:58   (  -0.02,-137.03) (   0.24,-138.34)  148.87                80
 10/14/2025   10:18:31   (  -0.03,-137.02) (  -0.74,-133.79)  367.45                80
 10/15/2025   22:40:25   (   0.03,-137.02) (  -0.44,-139.09)  235.87                80
 10/16/2025   22:24:20   (   0.03,-137.02) (   0.61,-134.56)  280.62                80
 10/18/2025   10:46:05   (  -0.03,-137.00) (   0.57,-139.82)  320.91                80
 10/19/2025   10:24:39   (  -0.03,-136.99) (  -0.43,-135.28)  195.40                80