Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 9 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2020   18:39:19   (   0.04, -75.18) (  -0.76, -78.73)  404.60                80
 09/14/2020   18:23:15   (   0.04, -75.18) (   0.25, -74.20)  111.93                80
 09/16/2020   06:45:03   (  -0.04, -75.17) (   0.92, -79.47)  489.84                80
 09/17/2020   06:23:38   (  -0.04, -75.18) (  -0.08, -74.94)   27.07                80
 09/19/2020   18:26:51   (   0.04, -75.21) (  -0.06, -75.72)   57.45                80
 09/20/2020   18:10:47   (   0.04, -75.22) (   0.94, -71.18)  459.93                80
 09/22/2020   06:32:35   (  -0.05, -75.22) (   0.23, -76.45)  140.77                80
 09/23/2020   06:11:11   (  -0.05, -75.23) (  -0.78, -71.92)  376.62                80
 09/24/2020   18:33:08   (   0.06, -75.26) (  -0.37, -77.23)  224.48                80
 09/25/2020   18:17:03   (   0.06, -75.27) (   0.64, -72.70)  293.36                80