Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 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)
 06/20/2024   10:39:31   (  -0.02,-137.01) (   0.25,-138.35)  151.37                80
 06/21/2024   10:18:07   (  -0.02,-137.01) (  -0.76,-133.82)  364.42                80
 06/22/2024   22:40:06   (   0.02,-136.99) (  -0.44,-139.12)  242.11                80
 06/23/2024   22:24:02   (   0.01,-136.99) (   0.57,-134.59)  273.48                80
 06/25/2024   10:43:10   (   0.00,-136.98) (   0.66,-139.85)  327.69                80
 06/26/2024   10:27:07   (   0.01,-136.97) (  -0.35,-135.32)  187.56                80
 06/27/2024   22:46:25   (  -0.01,-136.95) (  -0.84,-140.63)  419.91                80
 06/28/2024   22:30:22   (  -0.02,-136.93) (   0.18,-136.10)   95.10                80
 07/01/2024   10:30:47   (   0.01,-136.91) (   0.03,-136.84)    7.99                80