Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 9 2.  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)
 09/02/2025   22:47:17   (   0.02,-136.96) (  -0.82,-140.77)  433.33                80
 09/03/2025   22:31:11   (   0.02,-136.95) (   0.17,-136.23)   81.96                80
 09/06/2025   10:34:14   (  -0.02,-136.91) (  -0.02,-136.97)    6.46                80
 09/08/2025   22:34:44   (   0.02,-136.87) (  -0.15,-137.73)   97.38                80
 09/09/2025   22:18:38   (   0.02,-136.85) (   0.85,-133.20)  417.31                80
 09/11/2025   10:40:26   (  -0.02,-136.82) (   0.33,-138.46)  187.26                80
 09/12/2025   10:19:00   (  -0.03,-136.79) (  -0.67,-133.93)  326.67                80
 09/13/2025   22:40:55   (   0.03,-136.75) (  -0.54,-139.22)  281.22                80
 09/14/2025   22:24:49   (   0.03,-136.72) (   0.47,-134.68)  232.28                80
 09/16/2025   10:46:36   (  -0.03,-136.67) (   0.71,-139.95)  373.56                80