Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 7 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)
 07/19/2025   21:26:21   (  -0.37,  61.35) (  -0.03,  59.87)  169.39                80
 07/20/2025   21:10:16   (  -0.36,  61.36) (  -1.05,  64.40)  346.34                80
 07/22/2025   09:29:34   (   0.39,  61.31) (  -0.08,  59.09)  252.42                80
 07/23/2025   09:13:28   (   0.38,  61.32) (   0.88,  63.63)  263.35                80
 07/24/2025   21:32:36   (  -0.41,  61.41) (   0.28,  58.36)  346.67                80
 07/25/2025   21:16:32   (  -0.40,  61.42) (  -0.75,  62.90)  168.95                80
 07/27/2025   09:35:48   (   0.42,  61.37) (  -0.45,  57.60)  430.15                80
 07/28/2025   09:19:44   (   0.41,  61.38) (   0.58,  62.13)   85.82                80
 07/30/2025   21:20:07   (  -0.42,  61.47) (  -0.40,  61.40)    7.90                80