Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/04/2019   18:29:39   (  -0.01, -75.22) (  -0.17, -75.81)   68.48                80
 01/05/2019   18:08:14   (  -0.01, -75.22) (   0.86, -71.28)  448.77                80
 01/07/2019   06:32:42   (   0.01, -75.23) (   0.32, -76.55)  150.81                80
 01/08/2019   06:11:17   (   0.01, -75.24) (  -0.71, -72.03)  366.65                80
 01/09/2019   18:35:54   (  -0.01, -75.27) (  -0.44, -77.34)  235.04                80
 01/10/2019   18:14:28   (  -0.00, -75.28) (   0.54, -72.80)  282.91                80
 01/12/2019   06:38:55   (   0.01, -75.30) (   0.65, -78.06)  315.32                80
 01/13/2019   06:17:31   (   0.00, -75.32) (  -0.38, -73.54)  202.90                80
 01/14/2019   18:42:07   (  -0.01, -75.35) (  -0.77, -78.85)  397.71                80
 01/15/2019   18:20:42   (  -0.00, -75.37) (   0.22, -74.31)  120.84                80