Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 6 10.  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)
 06/11/2024   08:26:09   (  -0.01,-104.70) (   0.08,-105.05)   39.96                80
 06/12/2024   08:04:45   (  -0.01,-104.70) (  -0.92,-100.52)  476.10                80
 06/13/2024   20:26:44   (   0.00,-104.71) (  -0.23,-105.84)  128.36                80
 06/14/2024   20:10:41   (   0.00,-104.71) (   0.78,-101.31)  387.97                80
 06/16/2024   08:32:30   (  -0.00,-104.71) (   0.41,-106.58)  212.67                80
 06/17/2024   08:11:07   (  -0.01,-104.71) (  -0.60,-102.05)  303.48                80
 06/18/2024   20:33:05   (   0.00,-104.72) (  -0.59,-107.36)  301.24                80
 06/19/2024   20:17:02   (   0.00,-104.72) (   0.42,-102.83)  214.89                80
 06/21/2024   08:38:51   (  -0.00,-104.71) (   0.75,-108.10)  386.07                80
 06/22/2024   08:17:27   (   0.00,-104.71) (  -0.27,-103.58)  129.77                80
 06/23/2024   20:39:25   (  -0.00,-104.70) (  -0.96,-108.87)  475.65                80