Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2018   08:26:58   (   0.24,-104.12) (   0.41,-104.98)   97.74                80
 10/14/2018   08:05:33   (   0.26,-104.11) (  -0.56,-100.44)  417.79                80
 10/15/2018   20:27:29   (  -0.23,-104.10) (  -0.60,-105.75)  188.73                80
 10/16/2018   20:11:25   (  -0.24,-104.10) (   0.43,-101.23)  328.56                80
 10/18/2018   08:33:12   (   0.21,-104.13) (   0.76,-106.50)  269.96                80
 10/19/2018   08:11:48   (   0.22,-104.12) (  -0.27,-101.97)  245.70                80
 10/20/2018   20:33:44   (  -0.19,-104.09) (  -0.89,-107.28)  363.81                80
 10/21/2018   20:17:38   (  -0.20,-104.10) (   0.09,-102.75)  153.69                80
 10/23/2018   08:39:27   (   0.18,-104.15) (   1.04,-108.03)  441.39                80
 10/24/2018   08:18:01   (   0.20,-104.15) (   0.06,-103.49)   74.43                80