Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 12 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)
 12/09/2019   06:32:15   (   0.01, -75.21) (   0.31, -76.46)  143.16                80
 12/10/2019   06:10:50   (   0.01, -75.21) (  -0.69, -71.92)  373.86                80
 12/11/2019   18:32:46   (  -0.02, -75.22) (  -0.45, -77.23)  229.58                80
 12/12/2019   18:14:00   (  -0.01, -75.22) (   0.55, -72.70)  287.47                80
 12/14/2019   06:38:27   (   0.01, -75.23) (   0.65, -77.96)  312.00                80
 12/15/2019   06:17:02   (   0.01, -75.23) (  -0.41, -73.44)  205.02                80
 12/16/2019   18:41:38   (  -0.00, -75.25) (  -0.79, -78.74)  398.14                80
 12/17/2019   18:20:12   (   0.00, -75.26) (   0.21, -74.20)  119.35                80
 12/19/2019   06:44:39   (   0.00, -75.27) (   0.93, -79.48)  478.87                80
 12/20/2019   06:23:14   (  -0.00, -75.29) (  -0.08, -74.94)   38.95                80