Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 7 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)
 07/20/2025   21:10:16   (  -0.36,  61.36) (  -1.06,  64.40)  346.60                80
 07/22/2025   09:29:33   (   0.39,  61.30) (  -0.13,  59.10)  251.79                80
 07/23/2025   09:13:28   (   0.38,  61.31) (   0.88,  63.63)  264.11                80
 07/24/2025   21:32:37   (  -0.41,  61.40) (   0.27,  58.36)  345.87                80
 07/25/2025   21:16:32   (  -0.40,  61.41) (  -0.75,  62.90)  169.90                80
 07/27/2025   09:35:48   (   0.42,  61.36) (  -0.44,  57.60)  428.83                80
 07/28/2025   09:19:44   (   0.41,  61.36) (   0.58,  62.13)   87.28                80
 07/30/2025   21:20:07   (  -0.42,  61.46) (  -0.41,  61.40)    6.27                80
 08/02/2025   09:23:19   (   0.44,  61.43) (   0.24,  60.64)   90.59                80