Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 9 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/10/2025   21:36:01   (  -0.54,  61.40) (   0.13,  58.33)  349.56                80
 09/11/2025   21:14:39   (  -0.56,  61.40) (  -0.89,  62.85)  166.03                80
 09/13/2025   09:36:38   (   0.54,  61.35) (  -0.32,  57.54)  433.59                80
 09/14/2025   09:20:36   (   0.55,  61.34) (   0.70,  62.07)   82.28                80
 09/16/2025   21:23:44   (  -0.55,  61.39) (  -0.55,  61.32)    8.01                80
 09/19/2025   09:24:20   (   0.54,  61.35) (   0.38,  60.53)   93.14                80
 09/20/2025   09:08:18   (   0.56,  61.35) (   1.42,  65.05)  422.77                80
 09/21/2025   21:30:07   (  -0.53,  61.38) (  -0.17,  59.79)  181.32                80
 09/22/2025   21:08:45   (  -0.55,  61.39) (  -1.20,  64.32)  333.53                80
 09/24/2025   09:33:23   (   0.51,  61.37) (  -0.03,  59.02)  268.02                80