Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 5 5.  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)
 05/05/2024   22:39:35   (   0.00,-137.00) (  -0.50,-139.11)  240.95                80
 05/06/2024   22:23:30   (  -0.00,-137.00) (   0.57,-134.58)  275.80                80
 05/08/2024   10:45:17   (  -0.00,-137.00) (   0.64,-139.84)  323.90                80
 05/09/2024   10:23:51   (  -0.00,-136.99) (  -0.37,-135.30)  192.22                80
 05/10/2024   22:45:47   (   0.01,-136.97) (  -0.80,-140.60)  413.62                80
 05/11/2024   22:29:41   (   0.01,-136.96) (   0.22,-136.06)  102.18                80
 05/13/2024   10:48:47   (  -0.01,-136.95) (   0.98,-141.32)  498.47                80
 05/14/2024   10:32:42   (  -0.01,-136.93) (  -0.04,-136.78)   17.26                80
 05/16/2024   22:33:11   (   0.01,-136.89) (  -0.16,-137.53)   73.36                80
 05/17/2024   22:17:05   (   0.01,-136.88) (   0.86,-133.00)  442.23                80