Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2020   18:23:14   (   0.04, -75.19) (   0.23, -74.20)  112.09                80
 09/16/2020   06:45:03   (  -0.05, -75.18) (   0.94, -79.47)  489.54                80
 09/17/2020   06:23:39   (  -0.04, -75.18) (  -0.13, -74.95)   27.57                80
 09/19/2020   18:26:51   (   0.04, -75.22) (  -0.08, -75.71)   56.94                80
 09/20/2020   18:10:47   (   0.04, -75.23) (   0.92, -71.18)  460.54                80
 09/22/2020   06:32:35   (  -0.05, -75.23) (   0.25, -76.45)  140.02                80
 09/23/2020   06:11:11   (  -0.05, -75.24) (  -0.81, -71.93)  377.47                80
 09/24/2020   18:33:08   (   0.06, -75.27) (  -0.39, -77.23)  223.56                80
 09/25/2020   18:17:03   (   0.06, -75.28) (   0.62, -72.70)  294.35                80
 09/27/2020   06:38:51   (  -0.06, -75.30) (   0.56, -77.97)  305.03                80