Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 13.  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)
 01/14/2024   08:16:34   (  -0.00,-104.68) (  -0.23,-103.65)  117.73                80
 01/15/2024   20:38:29   (   0.01,-104.66) (  -0.96,-108.94)  488.71                80
 01/16/2024   20:22:24   (   0.01,-104.66) (   0.05,-104.41)   28.45                80
 01/19/2024   08:25:25   (  -0.01,-104.69) (   0.09,-105.14)   50.96                80
 01/20/2024   08:04:00   (   0.00,-104.69) (  -0.92,-100.60)  466.33                80
 01/21/2024   20:25:54   (  -0.01,-104.67) (  -0.31,-105.89)  139.79                80
 01/22/2024   20:09:49   (  -0.01,-104.67) (   0.71,-101.36)  377.29                80
 01/24/2024   08:31:36   (   0.01,-104.70) (   0.42,-106.63)  219.14                80
 01/25/2024   08:10:11   (   0.01,-104.70) (  -0.60,-102.09)  297.99                80
 01/26/2024   20:32:05   (  -0.01,-104.68) (  -0.62,-107.38)  308.15                80