Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 12 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)
 12/10/2024   08:13:16   (  -0.01,-104.70) (  -0.55,-102.28)  276.05                80
 12/11/2024   20:35:10   (  -0.00,-104.67) (  -0.65,-107.57)  331.39                80
 12/12/2024   20:19:05   (  -0.01,-104.67) (   0.38,-103.04)  185.67                80
 12/14/2024   08:40:50   (   0.02,-104.70) (   0.85,-108.30)  410.36                80
 12/15/2024   08:19:25   (   0.01,-104.70) (  -0.19,-103.77)  105.84                80
 12/17/2024   20:25:13   (  -0.00,-104.66) (  -0.00,-104.53)   14.30                80
 12/20/2024   08:28:13   (  -0.00,-104.70) (   0.11,-105.27)   64.14                80
 12/21/2024   08:06:47   (  -0.01,-104.71) (  -0.88,-100.73)  452.68                80
 12/22/2024   20:28:40   (   0.01,-104.67) (  -0.32,-106.02)  155.01                80