Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2025   10:25:21   (  -0.02,-136.97) (  -0.34,-135.46)  171.89                80
 09/02/2025   22:47:16   (   0.02,-136.96) (  -0.84,-140.76)  433.45                80
 09/03/2025   22:31:12   (   0.02,-136.95) (   0.20,-136.24)   81.83                80
 09/06/2025   10:34:14   (  -0.02,-136.91) (   0.01,-136.96)    6.65                80
 09/08/2025   22:34:43   (   0.02,-136.87) (  -0.18,-137.73)   97.73                80
 09/09/2025   22:18:38   (   0.02,-136.85) (   0.82,-133.19)  416.86                80
 09/11/2025   10:40:25   (  -0.02,-136.81) (   0.38,-138.45)  187.73                80
 09/12/2025   10:19:01   (  -0.02,-136.79) (  -0.68,-133.93)  326.16                80
 09/13/2025   22:40:55   (   0.02,-136.75) (  -0.53,-139.22)  281.93                80