Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 11 20.  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)
 11/20/2024   20:30:34   (  -0.00,-104.68) (   0.00,-106.14)  162.55                 0
 11/21/2024   20:13:03   (  -0.00,-104.68) (   0.68,-101.53)  358.15                80
 11/23/2024   08:34:51   (   0.00,-104.71) (   0.50,-106.81)  240.07                80
 11/24/2024   08:13:26   (   0.00,-104.71) (  -0.53,-102.28)  276.38                80
 11/25/2024   20:35:23   (  -0.00,-104.69) (  -0.65,-107.59)  330.07                80
 11/26/2024   20:19:18   (  -0.00,-104.70) (   0.39,-103.06)  187.06                80
 11/28/2024   08:41:05   (   0.00,-104.73) (   0.78,-108.34)  409.97                80
 11/29/2024   08:19:40   (  -0.00,-104.74) (  -0.21,-103.80)  106.44                80
 12/01/2024   20:25:31   (   0.01,-104.71) (   0.04,-104.58)   15.54                80
 12/04/2024   08:28:33   (  -0.01,-104.75) (   0.13,-105.32)   65.07                80