Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 4 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2019   20:35:45   (  -0.11,-104.41) (  -0.77,-107.27)  327.09                80
 05/01/2019   20:14:21   (  -0.12,-104.40) (   0.22,-102.74)  188.88                80
 05/03/2019   08:36:10   (   0.11,-104.37) (   0.92,-108.02)  415.39                80
 05/04/2019   08:20:06   (   0.11,-104.38) (  -0.07,-103.48)  101.50                80
 05/05/2019   20:42:04   (  -0.10,-104.42) (  -1.06,-108.80)  499.24                80
 05/06/2019   20:20:39   (  -0.11,-104.41) (  -0.07,-104.27)   16.43                80
 05/09/2019   08:23:44   (   0.10,-104.36) (   0.23,-105.02)   73.74                80
 05/10/2019   08:07:40   (   0.11,-104.36) (  -0.76,-100.48)  442.77                80
 05/11/2019   20:29:37   (  -0.09,-104.41) (  -0.41,-105.79)  157.70                80
 05/12/2019   20:08:13   (  -0.11,-104.40) (   0.58,-101.26)  357.94                80