Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 4.  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)
 01/05/2024   20:26:04   (  -0.01,-104.66) (  -0.31,-105.95)  146.87                80
 01/06/2024   20:10:00   (  -0.01,-104.66) (   0.74,-101.42)  369.74                80
 01/08/2024   08:31:47   (   0.01,-104.68) (   0.44,-106.69)  228.13                80
 01/09/2024   08:10:21   (   0.01,-104.68) (  -0.55,-102.15)  288.00                80
 01/10/2024   20:32:17   (  -0.01,-104.64) (  -0.65,-107.44)  319.68                80
 01/11/2024   20:16:12   (  -0.01,-104.64) (   0.40,-102.92)  196.58                80
 01/13/2024   08:37:58   (   0.01,-104.66) (   0.82,-108.17)  401.14                80
 01/14/2024   08:16:34   (   0.01,-104.65) (  -0.23,-103.65)  115.06                80
 01/15/2024   20:38:29   (  -0.01,-104.62) (  -0.96,-108.94)  492.55                80
 01/16/2024   20:22:24   (  -0.01,-104.62) (   0.04,-104.41)   23.98                80