Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 12 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/13/2023   09:34:01   (   0.02,  61.26) (  -0.79,  57.65)  410.74                80
 12/14/2023   09:17:56   (   0.01,  61.26) (   0.23,  62.19)  105.89                80
 12/15/2023   21:39:42   (  -0.03,  61.20) (   0.94,  56.92)  487.59                80
 12/16/2023   21:18:17   (  -0.02,  61.21) (  -0.08,  61.45)   28.04                80
 12/19/2023   09:21:26   (   0.03,  61.31) (  -0.13,  60.70)   70.44                80
 12/20/2023   09:05:20   (   0.02,  61.32) (   0.89,  65.23)  445.89                80
 12/21/2023   21:27:06   (  -0.04,  61.25) (   0.27,  59.96)  147.27                80
 12/22/2023   21:05:41   (  -0.02,  61.27) (  -0.75,  64.50)  368.15                80
 12/24/2023   09:27:35   (   0.04,  61.37) (  -0.46,  59.20)  247.74                80
 12/25/2023   09:11:30   (   0.03,  61.39) (   0.56,  63.74)  268.02                80
 12/26/2023   21:33:16   (  -0.04,  61.32) (   0.60,  58.47)  324.73                80