Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 12.  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)
 11/12/2025   22:17:49   (   0.01,-137.00) (   0.94,-132.94)  462.85                80
 11/14/2025   10:39:39   (  -0.01,-136.99) (   0.25,-138.22)  139.51                80
 11/15/2025   10:18:16   (  -0.01,-136.99) (  -0.77,-133.70)  375.93                80
 11/16/2025   22:40:16   (   0.00,-137.00) (  -0.47,-139.00)  229.24                80
 11/17/2025   22:24:13   (  -0.00,-136.99) (   0.55,-134.48)  286.16                80
 11/19/2025   10:46:03   (   0.01,-136.98) (   0.63,-139.76)  316.73                80
 11/20/2025   10:24:41   (   0.01,-136.97) (  -0.40,-135.24)  197.90                80
 11/21/2025   22:46:40   (  -0.02,-136.96) (  -0.82,-140.54)  408.95                80
 11/22/2025   22:27:58   (  -0.01,-136.94) (   0.21,-136.02)  105.29                80
 11/24/2025   10:52:27   (   0.02,-136.92) (   1.01,-141.29)  498.96                80
 11/25/2025   10:31:05   (   0.01,-136.90) (  -0.03,-136.77)   14.77                80