Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2019   20:27:27   (   0.02,-104.06) (  -0.38,-105.90)  209.13                80
 01/04/2019   20:11:22   (   0.01,-104.06) (   0.60,-101.36)  308.05                80
 01/06/2019   08:33:10   (  -0.02,-104.30) (   0.53,-106.64)  267.43                80
 01/07/2019   08:11:46   (  -0.01,-104.30) (  -0.51,-102.11)  249.14                80
 01/08/2019   20:33:41   (   0.02,-104.07) (  -0.71,-107.41)  380.28                80
 01/09/2019   20:17:35   (   0.02,-104.07) (   0.27,-102.87)  136.92                80
 01/11/2019   08:39:25   (  -0.03,-104.32) (   0.80,-108.16)  437.36                80
 01/12/2019   08:17:59   (  -0.02,-104.32) (  -0.18,-103.62)   79.45                80
 01/14/2019   20:21:09   (   0.03,-104.09) (  -0.05,-104.38)   33.36                80
 01/15/2019   20:05:05   (   0.02,-104.10) (   0.99, -99.86)  483.82                80