Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 8.  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)
 08/08/2025   22:18:47   (   0.03,-137.00) (   0.86,-133.23)  428.62                80
 08/10/2025   10:40:35   (  -0.04,-137.00) (   0.29,-138.51)  172.29                80
 08/11/2025   10:21:50   (  -0.04,-137.00) (  -0.74,-133.98)  344.35                80
 08/12/2025   22:41:07   (   0.04,-137.01) (  -0.45,-139.28)  259.32                80
 08/13/2025   22:25:01   (   0.04,-137.00) (   0.52,-134.74)  257.01                80
 08/15/2025   10:44:10   (  -0.05,-136.99) (   0.63,-140.02)  345.18                80
 08/16/2025   10:28:05   (  -0.05,-136.98) (  -0.39,-135.49)  170.36                80
 08/17/2025   22:47:21   (   0.05,-136.97) (  -0.78,-140.80)  435.18                80
 08/18/2025   22:31:16   (   0.06,-136.96) (   0.19,-136.26)   79.97                80
 08/21/2025   10:34:20   (  -0.07,-136.92) (  -0.06,-137.00)    8.80                80