Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 7 31.  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)
 08/01/2025   22:47:20   (  -0.02,-137.00) (  -0.85,-140.78)  430.17                80
 08/02/2025   22:31:16   (  -0.02,-137.00) (   0.17,-136.25)   85.71                80
 08/05/2025   10:34:19   (   0.03,-136.97) (   0.02,-136.98)    2.21                80
 08/07/2025   22:34:51   (  -0.04,-136.94) (  -0.19,-137.76)   92.47                80
 08/08/2025   22:18:45   (  -0.04,-136.93) (   0.77,-133.22)  422.39                80
 08/10/2025   10:40:33   (   0.04,-136.90) (   0.38,-138.49)  181.22                80
 08/11/2025   10:19:09   (   0.04,-136.88) (  -0.64,-133.96)  333.27                80
 08/12/2025   22:41:04   (  -0.04,-136.85) (  -0.59,-139.25)  274.01                80
 08/13/2025   22:25:00   (  -0.04,-136.83) (   0.43,-134.73)  240.17                80