Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2023 3 14.  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)
 03/15/2023   10:18:01   (  -0.00,-137.01) (  -0.69,-133.82)  362.20                80
 03/16/2023   22:39:57   (   0.01,-137.00) (  -0.49,-139.13)  242.96                80
 03/17/2023   22:23:51   (   0.01,-137.00) (   0.52,-134.60)  273.12                80
 03/19/2023   10:45:37   (  -0.01,-136.99) (   0.66,-139.86)  327.95                80
 03/20/2023   10:24:12   (  -0.01,-136.99) (  -0.36,-135.33)  188.12                80
 03/21/2023   22:46:07   (   0.01,-136.98) (  -0.80,-140.64)  417.28                80
 03/22/2023   22:30:02   (   0.01,-136.97) (   0.23,-136.11)   98.78                80
 03/25/2023   10:33:02   (  -0.01,-136.95) (  -0.03,-136.83)   12.98                80
 03/27/2023   22:33:30   (   0.02,-136.91) (  -0.12,-137.60)   78.43                80