Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 5 9.  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)
 05/10/2024   08:25:51   (   0.00,-104.71) (   0.10,-105.06)   40.37                80
 05/11/2024   08:04:25   (  -0.00,-104.70) (  -0.91,-100.52)  476.48                80
 05/12/2024   20:26:21   (   0.00,-104.69) (  -0.24,-105.82)  128.06                80
 05/13/2024   20:10:15   (   0.01,-104.69) (   0.78,-101.28)  389.00                80
 05/15/2024   08:32:01   (  -0.01,-104.71) (   0.40,-106.54)  209.21                80
 05/16/2024   08:10:36   (  -0.01,-104.71) (  -0.62,-102.01)  308.12                80
 05/17/2024   20:32:30   (   0.01,-104.70) (  -0.58,-107.30)  295.62                80
 05/18/2024   20:16:25   (   0.01,-104.71) (   0.45,-102.76)  221.90                80
 05/20/2024   08:38:11   (  -0.01,-104.72) (   0.71,-108.02)  375.81                80
 05/21/2024   08:16:45   (  -0.02,-104.73) (  -0.27,-103.48)  141.59                80
 05/22/2024   20:38:39   (   0.02,-104.72) (  -0.92,-108.77)  462.51                80