Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/27/2019   08:36:39   (  -0.02,-104.35) (   0.81,-108.15)  432.74                80
 01/28/2019   08:17:54   (  -0.02,-104.35) (  -0.18,-103.61)   84.37                80
 01/30/2019   20:21:04   (  -0.01,-104.13) (  -0.04,-104.37)   26.74                80
 01/31/2019   20:04:58   (  -0.01,-104.14) (   0.95, -99.83)  490.63                80
 02/02/2019   08:24:06   (   0.01,-104.38) (   0.18,-105.11)   83.95                80
 02/03/2019   08:05:22   (   0.01,-104.38) (  -0.87,-100.59)  433.06                80
 02/04/2019   20:29:56   (  -0.00,-104.16) (  -0.39,-105.87)  195.41                80
 02/05/2019   20:08:31   (  -0.00,-104.16) (   0.60,-101.34)  321.74                80
 02/07/2019   08:30:19   (   0.00,-104.41) (   0.52,-106.62)  252.60                80
 02/08/2019   08:14:15   (  -0.00,-104.41) (  -0.53,-102.09)  264.81                80