Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2022 11 29.  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)
 11/30/2022   10:40:54   (   0.01,-137.33) (   0.25,-138.52)  134.71                80
 12/02/2022   22:30:06   (   0.01,-137.32) (   0.20,-136.55)   88.69                80
 12/04/2022   10:47:42   (   0.01,-137.32) (   0.64,-140.14)  321.71                80
 12/05/2022   10:21:48   (   0.02,-137.32) (  -0.58,-134.52)  317.93                80
 12/06/2022   22:39:35   (  -0.02,-137.30) (  -0.21,-138.18)   99.76                80
 12/09/2022   10:28:36   (   0.01,-137.28) (  -0.22,-136.15)  127.81                80
 12/10/2022   22:46:25   (  -0.01,-137.25) (  -0.59,-139.81)  291.71                80
 12/11/2022   22:20:32   (  -0.00,-137.23) (   0.66,-134.19)  346.36                80