Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 8 15.  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)
 08/15/2024   08:05:36   (   0.00,-104.70) (  -0.92,-100.56)  471.40                80
 08/16/2024   20:27:33   (  -0.01,-104.70) (  -0.25,-105.86)  132.08                80
 08/17/2024   20:11:27   (  -0.01,-104.70) (   0.72,-101.32)  384.49                80
 08/19/2024   08:33:14   (   0.01,-104.69) (   0.47,-106.58)  216.33                80
 08/20/2024   08:11:50   (   0.01,-104.69) (  -0.58,-102.06)  300.12                80
 08/21/2024   20:33:45   (  -0.01,-104.69) (  -0.62,-107.35)  303.28                80
 08/22/2024   20:17:41   (  -0.01,-104.69) (   0.43,-102.82)  213.61                80
 08/24/2024   08:39:27   (   0.01,-104.69) (   0.79,-108.07)  386.38                80
 08/25/2024   08:18:03   (   0.01,-104.68) (  -0.27,-103.55)  130.20                80
 08/26/2024   20:39:57   (  -0.01,-104.68) (  -0.95,-108.83)  473.67                80
 08/27/2024   20:23:51   (  -0.01,-104.68) (   0.07,-104.30)   43.13                80