Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 5 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)
 05/19/2025   09:28:55   (  -0.01,  61.65) (  -0.57,  59.11)  289.10                80
 05/20/2025   09:12:52   (  -0.02,  61.63) (   0.45,  63.64)  229.24                80
 05/21/2025   21:32:01   (  -0.00,  61.63) (   0.71,  58.37)  371.89                80
 05/22/2025   21:15:56   (   0.01,  61.62) (  -0.26,  62.91)  146.30                80
 05/24/2025   09:35:15   (   0.02,  61.58) (  -0.89,  57.59)  454.30                80
 05/25/2025   09:19:11   (   0.01,  61.57) (   0.14,  62.12)   63.32                80
 05/27/2025   21:19:36   (  -0.03,  61.57) (   0.04,  61.39)   22.28                80
 05/28/2025   21:03:33   (  -0.01,  61.57) (  -0.99,  65.91)  495.15                80
 05/30/2025   09:22:51   (   0.04,  61.54) (  -0.14,  60.60)  106.49                80
 05/31/2025   09:06:46   (   0.03,  61.53) (   0.84,  65.13)  410.78                80