Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 5 15.  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)
 05/15/2024   08:32:00   (   0.01,-104.70) (   0.44,-106.53)  208.89                80
 05/16/2024   08:10:35   (   0.01,-104.70) (  -0.60,-102.00)  308.41                80
 05/17/2024   20:32:29   (  -0.01,-104.70) (  -0.59,-107.29)  295.22                80
 05/18/2024   20:16:23   (  -0.01,-104.70) (   0.46,-102.76)  222.35                80
 05/20/2024   08:38:09   (   0.00,-104.71) (   0.74,-108.01)  375.50                80
 05/21/2024   08:16:42   (   0.01,-104.72) (  -0.25,-103.46)  142.01                80
 05/22/2024   20:38:36   (  -0.00,-104.71) (  -0.91,-108.76)  461.78                80
 05/23/2024   20:22:30   (  -0.00,-104.71) (   0.09,-104.22)   55.55                80
 05/26/2024   08:25:30   (  -0.00,-104.71) (   0.02,-104.94)   25.99                80
 05/27/2024   08:04:03   (  -0.01,-104.71) (  -0.99,-100.40)  491.14                80
 05/28/2024   20:25:57   (   0.01,-104.69) (  -0.20,-105.69)  113.19                80