Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 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)
 10/14/2018   06:23:53   (   0.03, -75.01) (   0.02, -74.93)    8.62                80
 10/16/2018   18:29:44   (  -0.03, -75.02) (  -0.21, -75.71)   78.97                80
 10/17/2018   18:08:19   (  -0.03, -75.03) (   0.83, -71.18)  438.23                80
 10/19/2018   06:32:46   (   0.03, -75.05) (   0.35, -76.45)  160.18                80
 10/20/2018   06:11:22   (   0.03, -75.06) (  -0.69, -71.93)  357.29                80
 10/21/2018   18:33:17   (  -0.04, -75.07) (  -0.52, -77.23)  245.84                80
 10/22/2018   18:17:13   (  -0.04, -75.09) (   0.52, -72.71)  272.18                80
 10/24/2018   06:39:00   (   0.04, -75.12) (   0.66, -77.98)  325.00                80
 10/25/2018   06:17:35   (   0.04, -75.14) (  -0.33, -73.44)  193.10                80
 10/26/2018   18:39:31   (  -0.05, -75.15) (  -0.82, -78.75)  409.55                80