Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2019   18:23:25   (  -0.00, -75.19) (   0.19, -74.20)  112.93                80
 09/30/2019   06:45:14   (   0.00, -75.19) (   0.95, -79.48)  488.60                80
 10/01/2019   06:23:48   (   0.00, -75.19) (  -0.03, -74.94)   27.91                80
 10/03/2019   18:27:00   (   0.00, -75.20) (  -0.10, -75.73)   59.36                80
 10/04/2019   18:10:55   (   0.00, -75.21) (   0.87, -71.19)  457.49                80
 10/06/2019   06:32:43   (  -0.00, -75.21) (   0.27, -76.47)  142.90                80
 10/07/2019   06:11:17   (  -0.00, -75.22) (  -0.71, -71.93)  374.28                80
 10/08/2019   18:33:14   (  -0.00, -75.24) (  -0.45, -77.24)  228.18                80
 10/09/2019   18:17:09   (  -0.00, -75.26) (   0.58, -72.72)  289.53                80
 10/11/2019   06:38:57   (   0.00, -75.28) (   0.62, -77.99)  309.38                80