Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2018   20:23:27   (   0.23,-104.54) (   0.30,-104.26)   32.02                80
 07/25/2018   08:23:52   (  -0.25,-104.40) (  -0.14,-105.00)   68.36                80
 07/26/2018   08:07:47   (  -0.24,-104.40) (  -1.12,-100.46)  448.62                80
 07/27/2018   20:27:06   (   0.27,-104.56) (   0.02,-105.79)  139.34                80
 07/28/2018   20:11:02   (   0.26,-104.57) (   1.00,-101.26)  377.97                80
 07/30/2018   08:30:10   (  -0.29,-104.43) (   0.19,-106.52)  238.77                80
 07/31/2018   08:14:07   (  -0.27,-104.44) (  -0.84,-102.00)  278.32                80
 08/01/2018   20:33:25   (   0.30,-104.59) (  -0.30,-107.32)  309.92                80
 08/02/2018   20:17:21   (   0.29,-104.60) (   0.68,-102.78)  207.50                80
 08/04/2018   08:36:30   (  -0.31,-104.47) (   0.46,-108.06)  408.62                80
 08/05/2018   08:20:26   (  -0.30,-104.47) (  -0.52,-103.52)  108.18                80