Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 9 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)
 09/19/2020   18:26:51   (   0.02, -75.21) (  -0.06, -75.71)   56.65                80
 09/20/2020   18:10:47   (   0.02, -75.22) (   0.95, -71.18)  460.68                80
 09/22/2020   06:32:35   (  -0.03, -75.22) (   0.23, -76.45)  139.87                80
 09/23/2020   06:11:11   (  -0.03, -75.23) (  -0.78, -71.92)  377.42                80
 09/24/2020   18:33:07   (   0.04, -75.26) (  -0.43, -77.22)  224.20                80
 09/25/2020   18:17:04   (   0.04, -75.27) (   0.64, -72.70)  293.53                80
 09/27/2020   06:38:52   (  -0.04, -75.28) (   0.54, -77.97)  305.83                80
 09/28/2020   06:17:27   (  -0.04, -75.30) (  -0.47, -73.44)  212.35                80
 09/29/2020   18:39:24   (   0.05, -75.34) (  -0.73, -78.74)  387.73                80
 09/30/2020   18:23:19   (   0.05, -75.36) (   0.28, -74.20)  131.15                80
 10/02/2020   06:45:07   (  -0.05, -75.39) (   0.90, -79.47)  466.43                80
 10/03/2020   06:23:44   (  -0.05, -75.41) (  -0.17, -74.95)   52.73                80