Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 15.  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)
 08/16/2025   10:25:24   (  -0.03,-136.99) (  -0.35,-135.48)  171.76                80
 08/17/2025   22:47:21   (   0.04,-136.99) (  -0.82,-140.78)  432.29                80
 08/18/2025   22:31:16   (   0.04,-136.98) (   0.21,-136.26)   83.08                80
 08/21/2025   10:31:39   (  -0.05,-136.94) (  -0.03,-136.99)    5.89                80
 08/23/2025   22:34:50   (   0.05,-136.93) (  -0.15,-137.76)   94.96                80
 08/24/2025   22:18:45   (   0.05,-136.92) (   0.89,-133.23)  420.35                80
 08/26/2025   10:37:53   (  -0.05,-136.88) (   0.33,-138.49)  184.06                80
 08/27/2025   10:21:48   (  -0.05,-136.87) (  -0.71,-133.97)  330.87                80
 08/28/2025   22:41:03   (   0.06,-136.86) (  -0.49,-139.27)  274.44                80