Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2018   08:11:48   (   0.22,-104.10) (  -0.25,-101.96)  244.02                80
 10/20/2018   20:33:44   (  -0.19,-104.07) (  -0.92,-107.27)  365.54                80
 10/21/2018   20:17:40   (  -0.21,-104.07) (   0.12,-102.75)  151.64                80
 10/23/2018   08:39:27   (   0.18,-104.12) (   1.07,-108.02)  444.35                80
 10/24/2018   08:18:02   (   0.20,-104.11) (   0.03,-103.49)   71.15                80
 10/26/2018   20:21:13   (  -0.18,-104.05) (  -0.22,-104.26)   24.52                80
 10/27/2018   20:05:08   (  -0.20,-104.05) (   0.75, -99.73)  492.36                80
 10/29/2018   08:26:56   (   0.17,-104.11) (   0.37,-105.01)  103.06                80
 10/30/2018   08:05:31   (   0.18,-104.09) (  -0.61,-100.47)  411.87                80
 10/31/2018   20:27:27   (  -0.15,-104.00) (  -0.56,-105.78)  202.94                80
 11/01/2018   20:11:22   (  -0.16,-104.00) (   0.48,-101.26)  313.74                80