Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2025   09:29:21   (   0.17,  61.27) (  -0.33,  59.07)  250.38                80
 06/21/2025   09:13:16   (   0.16,  61.26) (   0.67,  63.61)  266.81                80
 06/22/2025   21:32:26   (  -0.20,  61.32) (   0.49,  58.33)  340.28                80
 06/23/2025   21:16:21   (  -0.18,  61.32) (  -0.51,  62.87)  176.37                80
 06/25/2025   09:35:39   (   0.22,  61.27) (  -0.62,  57.56)  423.06                80
 06/26/2025   09:19:34   (   0.21,  61.27) (   0.38,  62.09)   93.52                80
 06/28/2025   21:22:39   (  -0.22,  61.33) (  -0.23,  61.35)    2.72                80
 07/01/2025   09:23:11   (   0.24,  61.28) (   0.05,  60.59)   79.85                80
 07/02/2025   09:07:06   (   0.22,  61.29) (   1.06,  65.12)  436.88                80