Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 7 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)
 07/12/2018   20:10:53   (   0.16,-104.48) (   0.91,-101.22)  372.15                80
 07/14/2018   08:30:00   (  -0.19,-104.33) (   0.32,-106.48)  245.08                80
 07/15/2018   08:13:55   (  -0.18,-104.34) (  -0.72,-101.95)  272.31                80
 07/16/2018   20:33:12   (   0.21,-104.50) (  -0.40,-107.26)  314.91                80
 07/17/2018   20:17:07   (   0.19,-104.51) (   0.58,-102.72)  202.77                80
 07/19/2018   08:36:14   (  -0.23,-104.36) (   0.59,-107.99)  413.67                80
 07/20/2018   08:20:09   (  -0.21,-104.37) (  -0.39,-103.45)  104.01                80
 07/21/2018   20:39:26   (   0.24,-104.53) (  -0.73,-108.77)  483.08                80
 07/22/2018   20:23:22   (   0.23,-104.54) (   0.31,-104.24)   34.74                80
 07/25/2018   08:23:43   (  -0.25,-104.41) (  -0.13,-104.97)   63.78                80