Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 6 4.  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)
 06/05/2024   08:38:29   (  -0.02,-104.73) (   0.76,-108.05)  379.46                80
 06/06/2024   08:17:07   (  -0.02,-104.73) (  -0.29,-103.53)  136.67                80
 06/07/2024   20:39:06   (   0.03,-104.74) (  -0.87,-108.85)  467.97                80
 06/08/2024   20:23:03   (   0.03,-104.74) (   0.12,-104.32)   48.38                80
 06/11/2024   08:23:29   (  -0.03,-104.75) (   0.04,-105.06)   35.36                80
 06/12/2024   08:07:26   (  -0.03,-104.76) (  -0.96,-100.53)  481.40                80
 06/13/2024   20:26:45   (   0.04,-104.77) (  -0.19,-105.85)  122.36                80
 06/14/2024   20:10:42   (   0.03,-104.78) (   0.81,-101.32)  394.64                80
 06/16/2024   08:29:51   (  -0.04,-104.80) (   0.39,-106.59)  205.02                80
 06/17/2024   08:13:49   (  -0.04,-104.80) (  -0.67,-102.07)  311.89                80