Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 4.  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   20:33:46   (  -0.27,-104.13) (  -0.97,-107.23)  354.22                80
 10/05/2018   20:17:41   (  -0.28,-104.13) (   0.06,-102.71)  162.81                80
 10/07/2018   08:39:29   (   0.25,-104.11) (   1.09,-107.99)  441.05                80
 10/08/2018   08:18:04   (   0.27,-104.10) (   0.12,-103.45)   74.51                80
 10/10/2018   20:21:16   (  -0.26,-104.13) (  -0.26,-104.23)   12.10                80
 10/13/2018   08:26:59   (   0.24,-104.13) (   0.43,-104.98)   96.65                80
 10/14/2018   08:05:33   (   0.26,-104.12) (  -0.55,-100.44)  419.02                80
 10/15/2018   20:27:29   (  -0.23,-104.12) (  -0.62,-105.75)  186.42                80
 10/16/2018   20:11:25   (  -0.24,-104.13) (   0.41,-101.22)  331.04                80
 10/18/2018   08:33:13   (   0.21,-104.15) (   0.73,-106.50)  268.06                80