Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 4 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2019   20:20:26   (  -0.12,-104.34) (  -0.11,-104.22)   13.47                80
 04/07/2019   08:23:28   (   0.12,-104.41) (   0.23,-104.96)   61.99                80
 04/08/2019   08:07:22   (   0.12,-104.42) (  -0.78,-100.42)  455.41                80
 04/09/2019   20:29:18   (  -0.12,-104.35) (  -0.42,-105.72)  155.29                80
 04/10/2019   20:07:52   (  -0.12,-104.35) (   0.59,-101.18)  360.78                80
 04/12/2019   08:29:39   (   0.12,-104.40) (   0.59,-106.45)  233.59                80
 04/13/2019   08:13:33   (   0.12,-104.40) (  -0.42,-101.91)  283.54                80
 04/14/2019   20:35:28   (  -0.12,-104.35) (  -0.77,-107.21)  325.49                80
 04/15/2019   20:14:03   (  -0.13,-104.35) (   0.24,-102.67)  190.58                80
 04/17/2019   08:35:49   (   0.12,-104.38) (   0.95,-107.93)  405.73                80