Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 4 20.  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   09:34:36   (  -0.09,  61.43) (  -0.96,  57.67)  429.72                80
 04/23/2025   09:18:34   (  -0.10,  61.44) (   0.09,  62.19)   85.14                80
 04/25/2025   21:19:00   (   0.10,  61.45) (   0.11,  61.45)    1.09                80
 04/28/2025   09:22:16   (  -0.08,  61.52) (  -0.29,  60.67)   97.37                80
 04/29/2025   09:06:12   (  -0.09,  61.54) (   0.71,  65.20)  416.59                80
 04/30/2025   21:25:21   (   0.07,  61.55) (   0.47,  59.93)  185.42                80
 05/01/2025   21:09:18   (   0.08,  61.57) (  -0.54,  64.46)  328.54                80
 05/03/2025   09:28:37   (  -0.07,  61.63) (  -0.62,  59.14)  283.33                80
 05/04/2025   09:12:34   (  -0.08,  61.65) (   0.39,  63.67)  230.52                80