Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2020   18:41:13   (  -0.05, -75.20) (  -0.83, -78.65)  394.10                80
 01/18/2020   18:19:47   (  -0.05, -75.20) (   0.18, -74.12)  122.81                80
 01/20/2020   06:44:13   (   0.06, -75.20) (   1.01, -79.38)  477.33                80
 01/21/2020   06:22:48   (   0.06, -75.20) (  -0.00, -74.85)   39.78                80
 01/23/2020   18:28:38   (  -0.07, -75.22) (  -0.15, -75.62)   44.81                80
 01/24/2020   18:07:12   (  -0.07, -75.23) (   0.87, -71.08)  472.89                80
 01/26/2020   06:31:39   (   0.08, -75.24) (   0.33, -76.35)  125.78                80
 01/27/2020   06:10:13   (   0.07, -75.26) (  -0.69, -71.81)  392.28                80
 01/28/2020   18:34:48   (  -0.08, -75.29) (  -0.47, -77.12)  208.14                80
 01/29/2020   18:13:23   (  -0.08, -75.30) (   0.55, -72.58)  310.48                80
 01/31/2020   06:37:49   (   0.09, -75.33) (   0.65, -77.84)  286.74                80