Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/02/2019   08:05:32   (  -0.01,-104.28) (  -0.83,-100.60)  419.40                80
 01/03/2019   20:27:27   (   0.02,-104.06) (  -0.39,-105.89)  209.08                80
 01/04/2019   20:11:23   (   0.01,-104.07) (   0.65,-101.37)  308.15                80
 01/06/2019   08:33:11   (  -0.02,-104.30) (   0.48,-106.65)  267.19                80
 01/07/2019   08:11:45   (  -0.01,-104.30) (  -0.50,-102.11)  249.42                80
 01/08/2019   20:33:41   (   0.02,-104.07) (  -0.72,-107.41)  379.99                80
 01/09/2019   20:17:36   (   0.02,-104.08) (   0.32,-102.88)  137.28                80
 01/11/2019   08:39:25   (  -0.03,-104.32) (   0.82,-108.16)  436.88                80
 01/12/2019   08:17:59   (  -0.02,-104.33) (  -0.16,-103.62)   79.98                80
 01/14/2019   20:21:09   (   0.03,-104.10) (  -0.06,-104.38)   32.90                80