Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 8.  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   20:21:20   (  -0.26,-104.10) (  -0.28,-104.20)   11.56                80
 10/13/2018   08:27:04   (   0.24,-104.10) (   0.44,-104.94)   95.04                80
 10/14/2018   08:05:40   (   0.26,-104.09) (  -0.58,-100.40)  420.59                80
 10/15/2018   20:27:36   (  -0.23,-104.08) (  -0.61,-105.70)  185.99                80
 10/16/2018   20:11:32   (  -0.24,-104.08) (   0.40,-101.17)  331.41                80
 10/18/2018   08:33:20   (   0.21,-104.11) (   0.76,-106.44)  266.33                80
 10/19/2018   08:11:55   (   0.22,-104.10) (  -0.26,-101.91)  249.47                80
 10/20/2018   20:33:52   (  -0.19,-104.06) (  -0.92,-107.21)  360.05                80
 10/21/2018   20:17:47   (  -0.20,-104.07) (   0.10,-102.68)  157.58                80