Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2025   09:20:35   (   0.55,  61.34) (   0.69,  62.07)   83.17                80
 09/16/2025   21:23:43   (  -0.55,  61.39) (  -0.54,  61.32)    7.34                80
 09/19/2025   09:24:20   (   0.55,  61.34) (   0.37,  60.54)   91.71                80
 09/20/2025   09:08:18   (   0.56,  61.34) (   1.40,  65.06)  424.27                80
 09/21/2025   21:30:07   (  -0.53,  61.38) (  -0.15,  59.80)  180.33                80
 09/22/2025   21:08:44   (  -0.55,  61.38) (  -1.19,  64.32)  334.63                80
 09/24/2025   09:33:24   (   0.51,  61.35) (   0.00,  59.01)  266.11                80
 09/25/2025   09:12:01   (   0.54,  61.35) (   1.04,  63.53)  249.40                80
 09/26/2025   21:36:31   (  -0.50,  61.38) (   0.21,  58.27)  354.74                80