Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/01/2019   20:14:21   (  -0.12,-104.40) (   0.22,-102.74)  188.96                80
 05/03/2019   08:36:10   (   0.11,-104.37) (   0.92,-108.02)  415.29                80
 05/04/2019   08:20:06   (   0.11,-104.38) (  -0.07,-103.48)  101.62                80
 05/05/2019   20:42:04   (  -0.10,-104.42) (  -1.06,-108.80)  499.09                80
 05/06/2019   20:20:40   (  -0.11,-104.41) (  -0.07,-104.27)   16.60                80
 05/09/2019   08:23:44   (   0.10,-104.37) (   0.22,-105.02)   73.55                80
 05/10/2019   08:07:40   (   0.11,-104.37) (  -0.77,-100.48)  442.98                80
 05/11/2019   20:29:37   (  -0.09,-104.41) (  -0.41,-105.79)  157.47                80
 05/12/2019   20:08:13   (  -0.11,-104.40) (   0.58,-101.26)  358.19                80
 05/14/2019   08:30:02   (   0.09,-104.34) (   0.57,-106.54)  249.34                80