Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2019   08:17:54   (  -0.02,-104.35) (  -0.18,-103.61)   83.90                80
 01/30/2019   20:21:04   (  -0.00,-104.13) (  -0.04,-104.37)   27.10                80
 01/31/2019   20:04:58   (  -0.01,-104.13) (   0.95, -99.83)  490.26                80
 02/02/2019   08:24:06   (   0.01,-104.37) (   0.17,-105.11)   84.81                80
 02/03/2019   08:05:21   (   0.01,-104.37) (  -0.81,-100.57)  432.11                80
 02/04/2019   20:29:56   (  -0.01,-104.15) (  -0.38,-105.87)  196.10                80
 02/05/2019   20:08:31   (  -0.00,-104.16) (   0.60,-101.34)  320.94                80
 02/07/2019   08:30:19   (   0.00,-104.39) (   0.52,-106.62)  253.94                80
 02/08/2019   08:14:15   (   0.00,-104.40) (  -0.53,-102.09)  263.36                80
 02/09/2019   20:36:09   (  -0.00,-104.18) (  -0.72,-107.38)  364.23                80