Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 5 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)
 05/21/2025   21:32:01   (  -0.00,  61.63) (   0.70,  58.37)  371.33                80
 05/22/2025   21:15:56   (   0.01,  61.61) (  -0.26,  62.91)  147.10                80
 05/24/2025   09:35:15   (   0.02,  61.56) (  -0.89,  57.59)  452.78                80
 05/25/2025   09:19:11   (   0.01,  61.55) (   0.14,  62.12)   65.06                80
 05/27/2025   21:19:37   (  -0.03,  61.55) (  -0.01,  61.37)   20.25                80
 05/28/2025   21:03:33   (  -0.01,  61.55) (  -0.99,  65.91)  497.36                80
 05/30/2025   09:22:51   (   0.04,  61.51) (  -0.15,  60.60)  103.53                80
 05/31/2025   09:06:47   (   0.03,  61.50) (   0.83,  65.14)  413.92                80
 06/01/2025   21:25:56   (  -0.06,  61.52) (   0.33,  59.86)  189.24                80
 06/02/2025   21:09:52   (  -0.04,  61.51) (  -0.70,  64.39)  328.38                80