Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 12 12.  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)
 12/12/2024   20:19:05   (   0.01,-104.67) (   0.35,-103.04)  185.74                80
 12/14/2024   08:40:51   (  -0.01,-104.71) (   0.82,-108.30)  410.37                80
 12/15/2024   08:19:25   (  -0.01,-104.71) (  -0.21,-103.77)  106.02                80
 12/17/2024   20:25:13   (   0.00,-104.67) (   0.01,-104.53)   15.11                80
 12/20/2024   08:28:14   (   0.00,-104.72) (   0.12,-105.27)   62.78                80
 12/21/2024   08:06:48   (   0.01,-104.72) (  -0.87,-100.73)  454.33                80
 12/22/2024   20:28:42   (  -0.01,-104.68) (  -0.29,-106.03)  153.27                80
 12/23/2024   20:12:35   (  -0.01,-104.69) (   0.71,-101.49)  364.47                80
 12/25/2024   08:34:22   (   0.01,-104.75) (   0.45,-106.76)  229.43                80