Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/17/2019   06:11:05   (  -0.01, -75.20) (  -0.72, -71.97)  367.79                80
 06/18/2019   18:33:03   (   0.01, -75.20) (  -0.44, -77.28)  236.34                80
 06/19/2019   18:16:58   (   0.01, -75.21) (   0.56, -72.74)  280.51                80
 06/21/2019   06:38:47   (  -0.02, -75.22) (   0.62, -78.01)  318.92                80
 06/22/2019   06:17:22   (  -0.02, -75.23) (  -0.38, -73.48)  198.33                80
 06/23/2019   18:39:19   (   0.01, -75.24) (  -0.78, -78.79)  404.52                80
 06/24/2019   18:23:15   (   0.00, -75.26) (   0.22, -74.26)  113.41                80
 06/26/2019   06:45:03   (  -0.00, -75.28) (   0.96, -79.53)  484.41                80
 06/27/2019   06:23:39   (   0.00, -75.30) (  -0.05, -75.00)   33.61                80
 06/29/2019   18:26:52   (   0.01, -75.33) (  -0.10, -75.78)   50.90                80
 06/30/2019   18:10:48   (   0.02, -75.35) (   0.96, -71.26)  467.33                80