Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 03/31/2024   20:16:37   (   0.00,-104.67) (   0.40,-102.91)  201.03                80
 04/02/2024   08:38:25   (   0.00,-104.68) (   0.79,-108.18)  398.37                80
 04/03/2024   08:17:01   (   0.01,-104.68) (  -0.20,-103.64)  117.81                80
 04/04/2024   20:38:58   (  -0.01,-104.66) (  -0.97,-108.95)  488.32                80
 04/05/2024   20:22:54   (  -0.02,-104.66) (   0.04,-104.42)   28.25                80
 04/08/2024   08:25:59   (  -0.01,-104.68) (   0.07,-105.16)   54.99                80
 04/09/2024   08:04:34   (  -0.02,-104.68) (  -0.94,-100.63)  461.14                80
 04/10/2024   20:26:30   (   0.03,-104.66) (  -0.26,-105.93)  144.88                80
 04/11/2024   20:10:26   (   0.03,-104.66) (   0.76,-101.40)  371.61                80
 04/13/2024   08:32:14   (  -0.03,-104.67) (   0.40,-106.67)  227.22                80