Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 11 25.  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)
 11/26/2023   08:37:57   (   0.02,-104.68) (   0.79,-108.20)  400.89                80
 11/27/2023   08:16:32   (   0.02,-104.68) (  -0.20,-103.67)  115.15                80
 11/28/2023   20:38:30   (  -0.02,-104.65) (  -0.99,-108.98)  492.74                80
 11/29/2023   20:22:26   (  -0.01,-104.65) (   0.06,-104.45)   23.47                80
 12/02/2023   08:25:31   (   0.00,-104.68) (   0.09,-105.20)   58.57                80
 12/03/2023   08:04:06   (  -0.00,-104.68) (  -0.90,-100.67)  457.58                80
 12/04/2023   20:26:03   (   0.00,-104.66) (  -0.31,-105.97)  149.68                80
 12/05/2023   20:09:59   (   0.01,-104.66) (   0.75,-101.45)  367.00                80
 12/07/2023   08:31:48   (  -0.00,-104.70) (   0.43,-106.72)  229.68                80
 12/08/2023   08:10:23   (  -0.01,-104.70) (  -0.58,-102.19)  286.81                80