Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 5 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/02/2018   06:38:31   (  -0.00, -75.20) (   0.59, -77.94)  312.43                80
 06/03/2018   06:17:06   (  -0.01, -75.20) (  -0.43, -73.41)  204.37                80
 06/04/2018   18:39:03   (   0.01, -75.21) (  -0.75, -78.72)  398.99                80
 06/05/2018   18:22:57   (   0.01, -75.22) (   0.22, -74.17)  118.42                80
 06/07/2018   06:44:46   (  -0.02, -75.23) (   0.93, -79.45)  480.31                80
 06/08/2018   06:23:21   (  -0.02, -75.24) (  -0.10, -74.92)   37.22                80
 06/10/2018   18:26:33   (   0.02, -75.27) (  -0.05, -75.69)   47.61                80
 06/11/2018   18:10:28   (   0.02, -75.29) (   0.97, -71.16)  470.36                80
 06/13/2018   06:32:16   (  -0.03, -75.31) (   0.23, -76.43)  127.70                80
 06/14/2018   06:10:51   (  -0.03, -75.32) (  -0.80, -71.90)  390.10                80