Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 4 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)
 04/20/2025   21:15:18   (   0.11,  61.39) (  -0.28,  62.97)  180.64                80
 04/22/2025   09:34:37   (  -0.09,  61.44) (  -0.91,  57.66)  430.29                80
 04/23/2025   09:18:34   (  -0.10,  61.45) (   0.08,  62.19)   84.40                80
 04/25/2025   21:19:00   (   0.10,  61.46) (   0.12,  61.45)    2.71                80
 04/28/2025   09:22:15   (  -0.08,  61.53) (  -0.30,  60.67)   98.88                80
 04/29/2025   09:06:12   (  -0.09,  61.55) (   0.70,  65.20)  414.94                80
 04/30/2025   21:25:22   (   0.07,  61.56) (   0.42,  59.92)  187.22                80
 05/01/2025   21:09:19   (   0.08,  61.59) (  -0.58,  64.45)  326.57                80
 05/03/2025   09:28:37   (  -0.07,  61.65) (  -0.63,  59.14)  285.60                80