Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2025   09:13:17   (   0.16,  61.26) (   0.68,  63.61)  267.50                80
 06/22/2025   21:32:26   (  -0.20,  61.31) (   0.48,  58.33)  339.63                80
 06/23/2025   21:16:21   (  -0.18,  61.31) (  -0.52,  62.87)  177.22                80
 06/25/2025   09:35:39   (   0.22,  61.25) (  -0.62,  57.56)  421.58                80
 06/26/2025   09:19:34   (   0.21,  61.26) (   0.38,  62.09)   95.18                80
 06/28/2025   21:22:39   (  -0.22,  61.31) (  -0.23,  61.35)    4.53                80
 07/01/2025   09:23:12   (   0.24,  61.26) (   0.10,  60.58)   77.22                80
 07/02/2025   09:07:07   (   0.22,  61.26) (   1.10,  65.11)  439.63                80
 07/03/2025   21:26:17   (  -0.26,  61.32) (   0.05,  59.84)  168.01                80