Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 3 19.  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)
 03/19/2024   22:23:22   (  -0.02,-136.99) (   0.53,-134.64)  268.79                80
 03/21/2024   10:45:11   (   0.01,-137.01) (   0.64,-139.91)  330.17                80
 03/22/2024   10:23:48   (   0.01,-137.01) (  -0.38,-135.39)  185.82                80
 03/23/2024   22:48:25   (  -0.01,-136.99) (  -0.85,-140.69)  421.38                80
 03/24/2024   22:27:02   (  -0.01,-136.99) (   0.18,-136.16)   94.43                80
 03/27/2024   10:32:47   (   0.00,-136.99) (   0.01,-136.90)   10.83                80
 03/29/2024   22:36:02   (   0.01,-136.95) (  -0.13,-137.69)   83.52                80
 03/30/2024   22:17:17   (   0.02,-136.93) (   0.85,-133.15)  431.07                80
 04/01/2024   10:36:26   (  -0.01,-136.93) (   0.30,-138.43)  170.41                80
 04/02/2024   10:20:22   (  -0.01,-136.91) (  -0.68,-133.89)  343.83                80