Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 12 8.  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)
 12/09/2024   08:34:42   (  -0.00,-104.70) (   0.44,-106.81)  240.29                80
 12/10/2024   08:13:16   (  -0.01,-104.70) (  -0.52,-102.27)  276.20                80
 12/11/2024   20:35:10   (  -0.01,-104.67) (  -0.69,-107.57)  331.21                80
 12/12/2024   20:19:04   (  -0.01,-104.67) (   0.35,-103.04)  185.84                80
 12/14/2024   08:40:51   (   0.02,-104.70) (   0.82,-108.30)  410.23                80
 12/15/2024   08:19:25   (   0.01,-104.70) (  -0.21,-103.77)  105.99                80
 12/17/2024   20:25:13   (  -0.01,-104.66) (   0.02,-104.53)   14.16                80
 12/20/2024   08:28:13   (  -0.00,-104.71) (   0.14,-105.26)   64.02                80
 12/21/2024   08:06:47   (  -0.01,-104.71) (  -0.91,-100.74)  452.82                80