Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 9 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)
 09/05/2024   08:11:39   (   0.00,-104.70) (  -0.63,-101.97)  311.31                80
 09/06/2024   20:33:33   (  -0.00,-104.71) (  -0.55,-107.26)  290.08                80
 09/07/2024   20:17:27   (  -0.00,-104.71) (   0.43,-102.71)  227.40                80
 09/09/2024   08:39:13   (   0.00,-104.70) (   0.72,-107.98)  372.83                80
 09/10/2024   08:17:46   (   0.00,-104.70) (  -0.28,-103.43)  144.17                80
 09/11/2024   20:39:40   (  -0.01,-104.70) (  -0.92,-108.72)  458.08                80
 09/12/2024   20:23:33   (  -0.01,-104.70) (   0.08,-104.17)   59.23                80
 09/15/2024   08:26:32   (   0.01,-104.69) (   0.08,-104.89)   23.76                80
 09/16/2024   08:05:06   (   0.01,-104.68) (  -0.94,-100.35)  493.41                80
 09/17/2024   20:26:59   (  -0.02,-104.68) (  -0.22,-105.64)  108.63                80