Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2018   20:21:16   (  -0.26,-104.12) (  -0.25,-104.23)   12.66                80
 10/13/2018   08:26:59   (   0.24,-104.12) (   0.42,-104.98)   97.20                80
 10/14/2018   08:05:33   (   0.25,-104.11) (  -0.55,-100.44)  418.33                80
 10/15/2018   20:27:29   (  -0.23,-104.11) (  -0.62,-105.75)  187.57                80
 10/16/2018   20:11:25   (  -0.24,-104.11) (   0.41,-101.22)  329.73                80
 10/18/2018   08:33:13   (   0.21,-104.14) (   0.72,-106.50)  269.36                80
 10/19/2018   08:11:48   (   0.22,-104.13) (  -0.25,-101.97)  246.30                80
 10/20/2018   20:33:44   (  -0.19,-104.10) (  -0.91,-107.28)  362.54                80
 10/21/2018   20:17:40   (  -0.20,-104.11) (   0.12,-102.75)  154.97                80
 10/23/2018   08:39:28   (   0.18,-104.16) (   1.02,-108.03)  440.74                80