Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 1 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)
 01/19/2025   21:21:30   (  -0.02,  61.44) (   0.01,  61.26)   20.96                80
 01/20/2025   21:00:06   (  -0.02,  61.45) (  -0.98,  65.79)  494.08                80
 01/22/2025   09:22:02   (   0.01,  61.58) (  -0.24,  60.50)  124.03                80
 01/23/2025   09:05:57   (  -0.00,  61.59) (   0.76,  65.03)  391.42                80
 01/24/2025   21:27:46   (   0.01,  61.50) (   0.43,  59.76)  198.99                80
 01/25/2025   21:06:22   (   0.01,  61.52) (  -0.63,  64.28)  315.17                80
 01/27/2025   09:28:18   (  -0.00,  61.67) (  -0.62,  59.00)  305.40                80
 01/28/2025   09:12:13   (  -0.00,  61.69) (   0.39,  63.53)  208.92                80
 01/29/2025   21:34:02   (  -0.00,  61.60) (   0.74,  58.25)  381.97                80
 01/30/2025   21:12:38   (  -0.00,  61.63) (  -0.27,  62.78)  131.81                80