Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 9 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/16/2025   21:23:44   (  -0.55,  61.38) (  -0.56,  61.32)    7.55                80
 09/19/2025   09:24:20   (   0.55,  61.33) (   0.39,  60.53)   90.82                80
 09/20/2025   09:08:18   (   0.56,  61.33) (   1.43,  65.05)  425.33                80
 09/21/2025   21:30:07   (  -0.53,  61.37) (  -0.19,  59.79)  179.38                80
 09/22/2025   21:08:45   (  -0.55,  61.37) (  -1.22,  64.32)  335.68                80
 09/24/2025   09:33:23   (   0.51,  61.34) (  -0.02,  59.02)  264.58                80
 09/25/2025   09:13:24   (   0.53,  61.33) (   1.02,  63.54)  251.05                 3
 09/26/2025   21:36:30   (  -0.50,  61.37) (   0.22,  58.28)  353.20                80
 09/27/2025   21:15:08   (  -0.52,  61.38) (  -0.81,  62.80)  161.00                80
 09/29/2025   09:39:46   (   0.48,  61.37) (  -0.41,  57.50)  441.63                80
 09/30/2025   09:18:23   (   0.51,  61.38) (   0.64,  62.02)   73.14                80