Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 4 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2025   09:34:37   (  -0.09,  61.43) (  -0.92,  57.66)  429.49                80
 04/23/2025   09:18:34   (  -0.10,  61.44) (   0.07,  62.19)   85.44                80
 04/25/2025   21:19:00   (   0.10,  61.44) (   0.12,  61.45)    2.78                80
 04/28/2025   09:22:15   (  -0.08,  61.51) (  -0.30,  60.67)   96.52                80
 04/29/2025   09:06:12   (  -0.09,  61.53) (   0.70,  65.20)  417.58                80
 04/30/2025   21:25:22   (   0.07,  61.54) (   0.42,  59.92)  184.30                80
 05/01/2025   21:09:19   (   0.08,  61.56) (  -0.58,  64.45)  329.74                80
 05/03/2025   09:28:37   (  -0.07,  61.62) (  -0.63,  59.14)  281.91                80
 05/04/2025   09:12:34   (  -0.08,  61.64) (   0.38,  63.67)  232.03                80
 05/05/2025   21:31:43   (   0.06,  61.65) (   0.79,  58.40)  370.27                80