Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 12 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)
 12/19/2023   09:21:26   (   0.03,  61.29) (  -0.09,  60.69)   68.29                80
 12/20/2023   09:05:21   (   0.02,  61.29) (   0.93,  65.22)  448.42                80
 12/21/2023   21:27:07   (  -0.04,  61.22) (   0.23,  59.95)  144.32                80
 12/22/2023   21:05:40   (  -0.02,  61.24) (  -0.74,  64.50)  371.48                80
 12/24/2023   09:27:36   (   0.04,  61.34) (  -0.41,  59.20)  243.64                80
 12/25/2023   09:11:29   (   0.03,  61.35) (   0.56,  63.74)  272.54                80
 12/26/2023   21:33:16   (  -0.04,  61.28) (   0.59,  58.47)  319.70                80
 12/27/2023   21:11:49   (  -0.03,  61.29) (  -0.38,  63.02)  195.57                80
 12/29/2023   09:33:43   (   0.04,  61.41) (  -0.82,  57.72)  421.38                80
 12/30/2023   09:17:38   (   0.03,  61.42) (   0.22,  62.25)   94.44                80
 12/31/2023   21:39:24   (  -0.05,  61.34) (   0.92,  56.98)  496.82                80