Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/23/2019   08:11:41   (  -0.01,-104.33) (  -0.53,-102.11)  254.21                80
 01/24/2019   20:33:35   (   0.02,-104.10) (  -0.74,-107.39)  375.28                80
 01/25/2019   20:17:31   (   0.02,-104.11) (   0.31,-102.87)  141.88                80
 01/27/2019   08:36:39   (  -0.02,-104.36) (   0.82,-108.15)  431.78                80
 01/28/2019   08:17:54   (  -0.02,-104.36) (  -0.16,-103.61)   85.47                80
 01/30/2019   20:21:03   (  -0.00,-104.14) (  -0.05,-104.37)   26.24                80
 01/31/2019   20:04:58   (  -0.01,-104.14) (   0.94, -99.83)  491.27                80
 02/02/2019   08:24:06   (   0.01,-104.39) (   0.19,-105.11)   82.19                80
 02/03/2019   08:05:22   (   0.01,-104.40) (  -0.86,-100.59)  434.95                80
 02/04/2019   20:29:56   (  -0.01,-104.17) (  -0.40,-105.87)  194.16                80