Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/10/2019   20:07:52   (  -0.12,-104.34) (   0.58,-101.18)  360.08                80
 04/12/2019   08:29:38   (   0.12,-104.39) (   0.60,-106.44)  233.93                80
 04/13/2019   08:13:33   (   0.12,-104.40) (  -0.41,-101.91)  283.27                80
 04/14/2019   20:35:28   (  -0.12,-104.35) (  -0.78,-107.20)  325.98                80
 04/15/2019   20:14:03   (  -0.13,-104.34) (   0.23,-102.67)  190.19                80
 04/17/2019   08:35:50   (   0.12,-104.38) (   0.89,-107.94)  405.66                80
 04/18/2019   08:19:44   (   0.13,-104.38) (  -0.12,-103.41)  111.82                80
 04/19/2019   20:41:39   (  -0.12,-104.36) (  -1.12,-108.70)  495.06                80
 04/20/2019   20:20:13   (  -0.12,-104.35) (  -0.11,-104.16)   21.47                80
 04/23/2019   08:23:15   (   0.12,-104.38) (   0.22,-104.90)   58.89                80
 04/24/2019   08:07:10   (   0.12,-104.39) (  -0.80,-100.37)  458.69                80