Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 7 7.  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)
 07/07/2025   22:18:40   (  -0.00,-137.01) (   0.82,-133.20)  433.21                80
 07/09/2025   10:40:28   (  -0.00,-137.01) (   0.32,-138.48)  167.40                80
 07/10/2025   10:19:04   (  -0.00,-137.00) (  -0.68,-133.94)  348.62                80
 07/11/2025   22:41:01   (   0.01,-137.00) (  -0.52,-139.25)  256.84                80
 07/12/2025   22:24:58   (   0.01,-137.00) (   0.54,-134.73)  259.00                80
 07/14/2025   10:44:05   (  -0.02,-136.99) (   0.65,-140.00)  342.47                80
 07/15/2025   10:28:00   (  -0.01,-136.98) (  -0.35,-135.46)  173.13                80
 07/16/2025   22:47:18   (   0.02,-136.97) (  -0.84,-140.77)  433.11                80
 07/17/2025   22:31:13   (   0.02,-136.96) (   0.16,-136.24)   82.10                80
 07/20/2025   10:34:17   (  -0.02,-136.93) (  -0.03,-136.99)    6.64                80