Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 9 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/20/2025   09:08:17   (   0.56,  61.32) (   1.39,  65.06)  425.79                80
 09/21/2025   21:30:07   (  -0.53,  61.37) (  -0.15,  59.80)  178.99                80
 09/22/2025   21:08:44   (  -0.55,  61.37) (  -1.18,  64.32)  336.14                80
 09/24/2025   09:33:24   (   0.52,  61.33) (  -0.00,  59.01)  264.00                80
 09/25/2025   09:12:01   (   0.54,  61.33) (   1.04,  63.54)  251.65                80
 09/26/2025   21:36:30   (  -0.50,  61.37) (   0.21,  58.28)  352.65                80
 09/27/2025   21:15:08   (  -0.52,  61.38) (  -0.83,  62.80)  161.53                80
 09/29/2025   09:39:46   (   0.48,  61.36) (  -0.40,  57.50)  440.96                80
 09/30/2025   09:18:24   (   0.51,  61.37) (   0.64,  62.02)   73.81                80
 10/02/2025   21:24:11   (  -0.50,  61.42) (  -0.44,  61.28)   16.61                80