Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2018   20:33:45   (  -0.27,-104.13) (  -0.98,-107.23)  354.28                80
 10/05/2018   20:17:41   (  -0.28,-104.13) (   0.04,-102.70)  162.74                80
 10/07/2018   08:39:29   (   0.25,-104.11) (   1.10,-107.99)  441.10                80
 10/08/2018   08:18:04   (   0.27,-104.10) (   0.13,-103.45)   74.45                80
 10/10/2018   20:21:16   (  -0.26,-104.12) (  -0.27,-104.23)   12.05                80
 10/13/2018   08:26:58   (   0.24,-104.13) (   0.44,-104.97)   96.79                80
 10/14/2018   08:05:34   (   0.26,-104.12) (  -0.59,-100.45)  418.87                80
 10/15/2018   20:27:30   (  -0.23,-104.12) (  -0.57,-105.76)  186.63                80
 10/16/2018   20:11:25   (  -0.24,-104.13) (   0.40,-101.22)  330.83                80