Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/15/2018   20:27:30   (  -0.23,-104.09) (  -0.58,-105.75)  188.95                80
 10/16/2018   20:11:25   (  -0.24,-104.10) (   0.39,-101.21)  328.00                80
 10/18/2018   08:33:13   (   0.21,-104.12) (   0.74,-106.50)  271.30                80
 10/19/2018   08:11:47   (   0.22,-104.10) (  -0.23,-101.96)  244.03                80
 10/20/2018   20:33:44   (  -0.19,-104.07) (  -0.94,-107.27)  365.65                80
 10/21/2018   20:17:39   (  -0.21,-104.07) (   0.10,-102.74)  151.52                80
 10/23/2018   08:39:28   (   0.18,-104.12) (   1.03,-108.03)  444.33                80
 10/24/2018   08:18:02   (   0.20,-104.11) (   0.05,-103.49)   71.15                80
 10/26/2018   20:21:13   (  -0.18,-104.05) (  -0.24,-104.26)   24.47                80
 10/27/2018   20:05:08   (  -0.20,-104.05) (   0.80, -99.74)  492.43                80
 10/29/2018   08:26:56   (   0.17,-104.11) (   0.38,-105.01)  102.92                80