Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 8 30.  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)
 08/30/2024   08:26:54   (  -0.03,-104.69) (   0.05,-105.03)   38.63                80
 08/31/2024   08:05:29   (  -0.03,-104.69) (  -0.97,-100.49)  477.96                80
 09/01/2024   20:27:24   (   0.03,-104.71) (  -0.19,-105.79)  123.43                80
 09/02/2024   20:11:19   (   0.03,-104.71) (   0.83,-101.26)  393.90                80
 09/04/2024   08:33:05   (  -0.03,-104.69) (   0.36,-106.52)  207.11                80
 09/05/2024   08:11:40   (  -0.03,-104.69) (  -0.67,-101.98)  310.08                80
 09/06/2024   20:33:34   (   0.03,-104.71) (  -0.52,-107.27)  291.28                80
 09/07/2024   20:17:27   (   0.03,-104.71) (   0.46,-102.72)  226.15                80
 09/09/2024   08:39:14   (  -0.04,-104.70) (   0.71,-107.98)  374.52                80
 09/10/2024   08:17:48   (  -0.04,-104.70) (  -0.33,-103.45)  142.33                80
 09/11/2024   20:39:43   (   0.05,-104.70) (  -0.83,-108.75)  460.12                80
 09/12/2024   20:23:36   (   0.05,-104.70) (   0.16,-104.20)   56.88                80