Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/12/2020   06:17:23   (  -0.04, -75.17) (  -0.46, -73.44)  198.30                80
 09/13/2020   18:39:19   (   0.05, -75.19) (  -0.76, -78.73)  404.45                80
 09/14/2020   18:23:15   (   0.05, -75.19) (   0.25, -74.20)  112.33                80
 09/16/2020   06:45:03   (  -0.05, -75.18) (   0.93, -79.47)  488.98                80
 09/17/2020   06:23:39   (  -0.05, -75.19) (  -0.14, -74.95)   28.27                80
 09/19/2020   18:26:51   (   0.05, -75.23) (  -0.07, -75.72)   56.04                80
 09/20/2020   18:10:47   (   0.05, -75.24) (   0.94, -71.18)  461.57                80
 09/22/2020   06:32:35   (  -0.06, -75.24) (   0.24, -76.45)  138.66                80
 09/23/2020   06:11:12   (  -0.06, -75.25) (  -0.83, -71.93)  378.96                80
 09/24/2020   18:33:08   (   0.06, -75.29) (  -0.37, -77.23)  221.99                80