Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2019   18:10:49   (  -0.02, -75.20) (   0.85, -71.27)  447.41                80
 01/23/2019   06:32:36   (   0.03, -75.20) (   0.34, -76.54)  152.56                80
 01/24/2019   06:11:12   (   0.02, -75.21) (  -0.70, -72.01)  364.35                80
 01/25/2019   18:35:47   (  -0.03, -75.22) (  -0.50, -77.31)  238.74                80
 01/26/2019   18:14:23   (  -0.03, -75.23) (   0.54, -72.79)  278.79                80
 01/28/2019   06:38:50   (   0.03, -75.25) (   0.64, -78.05)  319.56                80
 01/29/2019   06:17:25   (   0.03, -75.26) (  -0.34, -73.51)  198.21                80
 01/30/2019   18:42:01   (  -0.04, -75.28) (  -0.80, -78.83)  403.90                80
 01/31/2019   18:20:35   (  -0.04, -75.29) (   0.18, -74.29)  114.31                80
 02/02/2019   06:45:03   (   0.05, -75.32) (   1.00, -79.56)  482.81                80
 02/03/2019   06:23:38   (   0.04, -75.34) (  -0.04, -75.03)   35.61                80