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   (  -0.01,-104.70) (   0.45,-106.81)  240.44                80
 12/10/2024   08:13:16   (  -0.01,-104.70) (  -0.57,-102.28)  275.99                80
 12/11/2024   20:35:11   (  -0.00,-104.66) (  -0.64,-107.58)  331.51                80
 12/12/2024   20:19:04   (  -0.01,-104.67) (   0.33,-103.03)  185.60                80
 12/14/2024   08:40:51   (   0.02,-104.70) (   0.83,-108.30)  410.45                80
 12/15/2024   08:19:25   (   0.01,-104.70) (  -0.20,-103.77)  105.72                80
 12/17/2024   20:25:13   (  -0.00,-104.65) (   0.01,-104.53)   13.85                80
 12/20/2024   08:28:14   (  -0.00,-104.70) (   0.10,-105.27)   64.52                80
 12/21/2024   08:06:47   (  -0.01,-104.70) (  -0.89,-100.73)  452.30                80