Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2023   08:05:35   (   0.02,-104.68) (  -0.89,-100.49)  476.93                80
 12/16/2023   20:27:31   (   0.01,-104.66) (  -0.23,-105.81)  130.53                80
 12/17/2023   20:11:26   (   0.02,-104.66) (   0.79,-101.28)  386.16                80
 12/19/2023   08:33:12   (  -0.02,-104.69) (   0.38,-106.54)  210.66                80
 12/20/2023   08:11:46   (  -0.03,-104.69) (  -0.65,-102.01)  306.24                80
 12/21/2023   20:33:41   (   0.03,-104.67) (  -0.58,-107.30)  300.21                80
 12/22/2023   20:17:35   (   0.02,-104.67) (   0.44,-102.77)  216.99                80
 12/24/2023   08:39:22   (  -0.01,-104.70) (   0.72,-108.03)  378.96                80
 12/25/2023   08:17:55   (   0.01,-104.71) (  -0.25,-103.49)  138.26                80
 12/26/2023   20:39:50   (  -0.01,-104.68) (  -0.90,-108.79)  468.54                80
 12/27/2023   20:23:44   (  -0.01,-104.68) (   0.07,-104.25)   48.52                80