Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2019   08:05:27   (  -0.02,-104.32) (  -0.83,-100.59)  424.84                80
 01/19/2019   20:27:22   (   0.02,-104.09) (  -0.38,-105.89)  205.43                80
 01/20/2019   20:11:17   (   0.01,-104.09) (   0.60,-101.35)  311.46                80
 01/22/2019   08:33:05   (  -0.01,-104.33) (   0.53,-106.63)  262.45                80
 01/23/2019   08:11:41   (  -0.01,-104.33) (  -0.52,-102.11)  254.16                80
 01/24/2019   20:33:35   (   0.02,-104.09) (  -0.75,-107.39)  376.52                80
 01/25/2019   20:17:31   (   0.02,-104.10) (   0.30,-102.86)  140.45                80
 01/27/2019   08:36:39   (  -0.02,-104.35) (   0.83,-108.14)  432.61                80
 01/28/2019   08:17:55   (  -0.01,-104.35) (  -0.21,-103.62)   84.51                80
 01/30/2019   20:21:03   (   0.00,-104.12) (  -0.06,-104.37)   28.67                80