Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 7 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/13/2019   06:23:44   (  -0.02, -75.20) (  -0.08, -75.01)   22.50                80
 07/15/2019   18:26:56   (   0.02, -75.20) (  -0.13, -75.77)   65.54                80
 07/16/2019   18:10:51   (   0.01, -75.21) (   0.88, -71.24)  451.53                80
 07/18/2019   06:32:39   (  -0.01, -75.22) (   0.28, -76.51)  147.18                80
 07/19/2019   06:13:55   (  -0.01, -75.23) (  -0.73, -71.98)  370.30                80
 07/20/2019   18:33:12   (   0.01, -75.24) (  -0.43, -77.29)  232.92                80
 07/21/2019   18:17:08   (   0.01, -75.26) (   0.58, -72.76)  285.09                80
 07/23/2019   06:36:16   (  -0.01, -75.29) (   0.58, -78.03)  312.27                80
 07/24/2019   06:20:12   (  -0.01, -75.30) (  -0.43, -73.50)  206.00                80
 07/25/2019   18:39:28   (   0.01, -75.32) (  -0.78, -78.80)  396.45                80
 07/26/2019   18:23:23   (   0.01, -75.34) (   0.23, -74.27)  122.00                80