Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 4 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)
 04/08/2024   22:45:55   (  -0.00,-137.00) (  -0.83,-140.70)  421.53                80
 04/09/2024   22:29:51   (  -0.00,-137.00) (   0.17,-136.16)   95.42                80
 04/12/2024   10:30:15   (  -0.00,-137.02) (  -0.04,-136.91)   12.89                80
 04/14/2024   22:36:07   (  -0.01,-137.00) (  -0.16,-137.67)   76.65                80
 04/15/2024   22:14:43   (  -0.01,-137.00) (   0.84,-133.14)  439.53                80
 04/17/2024   10:39:11   (   0.02,-137.00) (   0.34,-138.41)  160.45                80
 04/18/2024   10:17:47   (   0.02,-137.00) (  -0.67,-133.87)  355.54                80
 04/19/2024   22:42:23   (  -0.02,-136.98) (  -0.53,-139.17)  250.49                80
 04/20/2024   22:20:58   (  -0.02,-136.97) (   0.48,-134.64)  265.30                80