Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/20/2023   08:11:45   (   0.01,-104.69) (  -0.58,-101.99)  307.32                80
 12/21/2023   20:33:40   (  -0.01,-104.67) (  -0.58,-107.30)  299.12                80
 12/22/2023   20:17:34   (  -0.01,-104.67) (   0.39,-102.75)  218.10                80
 12/24/2023   08:39:20   (   0.02,-104.70) (   0.76,-108.02)  378.23                80
 12/25/2023   08:17:55   (   0.02,-104.70) (  -0.27,-103.49)  138.67                80
 12/26/2023   20:39:49   (  -0.02,-104.67) (  -0.94,-108.78)  468.22                80
 12/27/2023   20:23:44   (  -0.02,-104.68) (   0.09,-104.25)   48.94                80
 12/30/2023   08:26:44   (   0.02,-104.71) (   0.07,-104.98)   29.85                80
 12/31/2023   08:05:18   (   0.01,-104.72) (  -0.97,-100.45)  487.27                80
 01/01/2024   20:27:12   (  -0.01,-104.69) (  -0.22,-105.74)  119.02                80
 01/02/2024   20:11:06   (  -0.01,-104.70) (   0.76,-101.20)  398.56                80