Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 12 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/03/2018   20:11:26   (  -0.04,-104.03) (   0.55,-101.33)  307.22                80
 12/05/2018   08:33:15   (   0.02,-104.21) (   0.58,-106.61)  274.58                80
 12/06/2018   08:11:50   (   0.03,-104.21) (  -0.45,-102.09)  241.63                80
 12/07/2018   20:33:47   (  -0.01,-104.03) (  -0.75,-107.39)  382.96                80
 12/08/2018   20:17:41   (  -0.02,-104.04) (   0.22,-102.85)  134.50                80
 12/10/2018   08:39:29   (   0.00,-104.23) (   0.90,-108.13)  445.04                80
 12/11/2018   08:18:05   (   0.02,-104.23) (  -0.12,-103.61)   71.24                80
 12/13/2018   20:21:16   (  -0.01,-104.04) (  -0.09,-104.37)   37.71                80
 12/14/2018   20:05:11   (  -0.01,-104.05) (   0.94, -99.85)  479.86                80
 12/16/2018   08:27:00   (  -0.01,-104.26) (   0.19,-105.13)   98.49                80