Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2023   09:27:50   (   0.01,  61.24) (  -0.47,  59.15)  238.54                80
 12/09/2023   09:11:45   (  -0.00,  61.24) (   0.54,  63.69)  278.62                80
 12/10/2023   21:33:32   (  -0.02,  61.18) (   0.58,  58.41)  315.28                80
 12/11/2023   21:12:06   (  -0.00,  61.19) (  -0.38,  62.96)  200.59                80
 12/13/2023   09:34:01   (   0.02,  61.28) (  -0.80,  57.65)  413.48                80
 12/14/2023   09:17:56   (   0.01,  61.29) (   0.22,  62.19)  102.60                80
 12/15/2023   21:39:42   (  -0.03,  61.23) (   0.95,  56.92)  491.26                80
 12/16/2023   21:18:16   (  -0.02,  61.25) (  -0.07,  61.45)   23.79                80
 12/19/2023   09:21:25   (   0.03,  61.37) (  -0.13,  60.70)   76.57                80
 12/20/2023   09:05:20   (   0.02,  61.38) (   0.89,  65.23)  439.19                80