Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 9 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/16/2020   06:45:03   (  -0.04, -75.16) (   0.90, -79.48)  490.87                80
 09/17/2020   06:23:39   (  -0.04, -75.15) (  -0.11, -74.94)   24.77                80
 09/19/2020   18:26:51   (   0.04, -75.15) (  -0.10, -75.71)   63.87                80
 09/20/2020   18:10:46   (   0.04, -75.15) (   0.90, -71.17)  452.15                80
 09/22/2020   06:32:34   (  -0.04, -75.13) (   0.27, -76.44)  150.01                80
 09/23/2020   06:11:10   (  -0.04, -75.13) (  -0.74, -71.91)  366.04                80
 09/24/2020   18:33:07   (   0.05, -75.14) (  -0.41, -77.22)  237.75                80
 09/25/2020   18:17:03   (   0.05, -75.14) (   0.60, -72.69)  278.71                80
 09/27/2020   06:38:51   (  -0.06, -75.13) (   0.58, -77.96)  322.27                80
 09/28/2020   06:17:27   (  -0.06, -75.14) (  -0.42, -73.43)  194.66                80