Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2025   21:14:39   (  -0.56,  61.40) (  -0.91,  62.85)  165.99                80
 09/13/2025   09:36:38   (   0.54,  61.35) (  -0.31,  57.54)  433.49                80
 09/14/2025   09:20:36   (   0.55,  61.34) (   0.72,  62.06)   82.39                80
 09/16/2025   21:23:43   (  -0.55,  61.39) (  -0.51,  61.33)    8.33                80
 09/19/2025   09:27:00   (   0.54,  61.35) (   0.34,  60.54)   92.93                80
 09/20/2025   09:08:17   (   0.56,  61.35) (   1.37,  65.06)  423.00                80
 09/21/2025   21:30:07   (  -0.53,  61.38) (  -0.19,  59.79)  181.16                80
 09/22/2025   21:08:45   (  -0.55,  61.39) (  -1.22,  64.31)  333.71                80
 09/24/2025   09:33:23   (   0.51,  61.36) (  -0.02,  59.01)  267.70                80