Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2019   18:29:14   (  -0.01, -75.20) (  -0.11, -75.73)   60.34                80
 12/07/2019   18:07:49   (  -0.01, -75.20) (   0.89, -71.20)  456.71                80
 12/09/2019   06:32:15   (   0.02, -75.21) (   0.31, -76.46)  142.46                80
 12/10/2019   06:10:50   (   0.02, -75.22) (  -0.69, -71.92)  374.66                80
 12/11/2019   18:35:26   (  -0.02, -75.22) (  -0.45, -77.24)  228.94                80
 12/12/2019   18:14:00   (  -0.02, -75.23) (   0.55, -72.70)  288.22                80
 12/14/2019   06:38:27   (   0.01, -75.24) (   0.65, -77.96)  310.86                80
 12/15/2019   06:17:02   (   0.01, -75.25) (  -0.41, -73.44)  206.30                80
 12/16/2019   18:41:38   (  -0.01, -75.26) (  -0.78, -78.74)  396.89                80
 12/17/2019   18:20:12   (   0.00, -75.27) (   0.22, -74.21)  120.69                80