Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 7 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/24/2019   06:17:31   (  -0.01, -75.19) (  -0.38, -73.49)  194.36                80
 07/25/2019   18:39:28   (   0.01, -75.20) (  -0.77, -78.80)  410.03                80
 07/26/2019   18:23:24   (   0.01, -75.20) (   0.24, -74.27)  106.46                80
 07/28/2019   06:45:11   (  -0.01, -75.20) (   0.97, -79.53)  494.05                80
 07/29/2019   06:23:46   (  -0.01, -75.20) (  -0.04, -75.00)   22.55                80
 07/31/2019   18:26:59   (   0.02, -75.20) (  -0.10, -75.78)   65.06                80
 08/01/2019   18:10:55   (   0.01, -75.21) (   0.91, -71.24)  451.83                80
 08/03/2019   06:30:02   (  -0.02, -75.22) (   0.30, -76.51)  147.81                80
 08/04/2019   06:13:58   (  -0.01, -75.22) (  -0.71, -71.97)  369.56                80
 08/05/2019   18:33:15   (   0.02, -75.24) (  -0.44, -77.29)  233.24                80
 08/06/2019   18:17:10   (   0.01, -75.25) (   0.58, -72.76)  284.57                80