Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 6.  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)
 08/07/2025   22:34:51   (   0.01,-137.00) (  -0.15,-137.77)   86.81                80
 08/08/2025   22:18:47   (   0.01,-137.00) (   0.88,-133.24)  429.64                80
 08/10/2025   10:40:34   (  -0.00,-137.00) (   0.33,-138.50)  171.32                80
 08/11/2025   10:19:10   (  -0.00,-136.99) (  -0.69,-133.97)  344.81                80
 08/12/2025   22:41:06   (  -0.00,-136.99) (  -0.49,-139.28)  260.12                80
 08/13/2025   22:25:01   (   0.00,-136.98) (   0.48,-134.73)  255.64                80
 08/15/2025   10:46:49   (  -0.00,-136.97) (   0.67,-140.01)  346.76                80
 08/16/2025   10:25:24   (  -0.00,-136.95) (  -0.35,-135.48)  168.26                80
 08/17/2025   22:47:20   (   0.00,-136.93) (  -0.87,-140.78)  438.48                80
 08/18/2025   22:31:15   (   0.00,-136.92) (   0.16,-136.25)   76.16                80