Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/20/2018   20:33:44   (  -0.19,-104.07) (  -0.90,-107.27)  365.42                80
 10/21/2018   20:17:39   (  -0.21,-104.07) (   0.07,-102.74)  151.77                80
 10/23/2018   08:39:27   (   0.18,-104.12) (   1.06,-108.02)  444.28                80
 10/24/2018   08:18:02   (   0.20,-104.11) (   0.08,-103.48)   71.22                80
 10/26/2018   20:21:13   (  -0.19,-104.05) (  -0.21,-104.27)   24.41                80
 10/27/2018   20:05:08   (  -0.20,-104.05) (   0.77, -99.73)  492.59                80
 10/29/2018   08:26:56   (   0.17,-104.11) (   0.36,-105.01)  102.90                80
 10/30/2018   08:05:31   (   0.18,-104.09) (  -0.62,-100.47)  412.04                80
 10/31/2018   20:27:27   (  -0.15,-104.01) (  -0.54,-105.78)  202.65                80
 11/01/2018   20:11:22   (  -0.16,-104.01) (   0.44,-101.25)  314.05                80