Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/20/2020   06:44:14   (   0.05, -75.19) (   0.99, -79.39)  478.20                80
 01/21/2020   06:22:48   (   0.05, -75.19) (  -0.02, -74.85)   38.68                80
 01/23/2020   18:28:38   (  -0.06, -75.21) (  -0.13, -75.62)   46.25                80
 01/24/2020   18:07:13   (  -0.06, -75.22) (   0.88, -71.09)  471.29                80
 01/26/2020   06:31:39   (   0.07, -75.22) (   0.31, -76.35)  128.01                80
 01/27/2020   06:10:13   (   0.07, -75.23) (  -0.70, -71.81)  389.85                80
 01/28/2020   18:34:49   (  -0.08, -75.26) (  -0.46, -77.12)  210.70                80
 01/29/2020   18:13:23   (  -0.07, -75.28) (   0.56, -72.59)  307.73                80
 01/31/2020   06:37:50   (   0.08, -75.30) (   0.64, -77.85)  290.17                80
 02/01/2020   06:16:24   (   0.08, -75.32) (  -0.38, -73.31)  228.44                80