Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2018   18:23:06   (   0.00, -75.22) (   0.22, -74.14)  123.33                80
 08/10/2018   06:44:55   (   0.00, -75.22) (   0.92, -79.42)  477.80                80
 08/11/2018   06:23:31   (   0.01, -75.22) (  -0.06, -74.88)   38.67                80
 08/13/2018   18:29:25   (  -0.01, -75.24) (  -0.10, -75.66)   47.85                80
 08/14/2018   18:08:00   (  -0.01, -75.25) (   0.89, -71.13)  469.30                80
 08/16/2018   06:32:29   (   0.01, -75.26) (   0.25, -76.40)  130.14                80
 08/17/2018   06:11:05   (   0.01, -75.27) (  -0.73, -71.87)  387.38                80
 08/18/2018   18:35:42   (  -0.01, -75.30) (  -0.46, -77.17)  214.52                80
 08/19/2018   18:14:19   (  -0.01, -75.31) (   0.58, -72.65)  303.38                80
 08/21/2018   06:38:47   (   0.02, -75.33) (   0.62, -77.92)  295.08                80
 08/22/2018   06:17:24   (   0.02, -75.35) (  -0.42, -73.39)  223.07                80