Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 12 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2019   06:10:50   (   0.01, -75.22) (  -0.74, -71.93)  374.79                80
 12/11/2019   18:32:46   (  -0.02, -75.23) (  -0.46, -77.23)  228.09                80
 12/12/2019   18:16:40   (  -0.02, -75.24) (   0.54, -72.70)  289.39                80
 12/14/2019   06:38:27   (   0.03, -75.25) (   0.66, -77.96)  309.63                80
 12/15/2019   06:17:02   (   0.03, -75.26) (  -0.40, -73.44)  207.82                80
 12/16/2019   18:38:57   (  -0.03, -75.27) (  -0.80, -78.74)  394.80                80
 12/17/2019   18:22:52   (  -0.03, -75.28) (   0.21, -74.20)  123.07                80
 12/19/2019   06:44:38   (   0.04, -75.30) (   0.99, -79.46)  474.76                80
 12/20/2019   06:23:14   (   0.03, -75.32) (  -0.07, -74.94)   43.45                80
 12/22/2019   18:26:24   (  -0.04, -75.36) (  -0.12, -75.71)   39.47                80
 12/23/2019   18:07:38   (  -0.04, -75.38) (   0.89, -71.17)  479.28                80