Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/17/2025   09:28:14   (  -0.10,  61.39) (  -0.60,  59.19)  250.21                80
 04/18/2025   09:12:10   (  -0.11,  61.40) (   0.39,  63.72)  264.47                80
 04/19/2025   21:31:20   (   0.10,  61.39) (   0.74,  58.44)  335.19                80
 04/20/2025   21:15:17   (   0.11,  61.40) (  -0.25,  62.97)  179.44                80
 04/22/2025   09:34:36   (  -0.10,  61.46) (  -0.93,  57.66)  432.29                80
 04/23/2025   09:18:33   (  -0.10,  61.48) (   0.08,  62.19)   82.12                80
 04/25/2025   21:21:39   (   0.10,  61.49) (   0.09,  61.45)    4.40                80
 04/28/2025   09:22:13   (  -0.09,  61.57) (  -0.28,  60.67)  102.39                80
 04/29/2025   09:06:10   (  -0.09,  61.60) (   0.74,  65.20)  411.20                80