Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/14/2018   06:44:57   (   0.01, -75.18) (   1.01, -79.51)  494.14                80
 01/15/2018   06:23:32   (   0.01, -75.19) (  -0.05, -74.99)   23.07                80
 01/17/2018   18:29:22   (  -0.01, -75.24) (  -0.13, -75.76)   59.00                80
 01/18/2018   18:07:57   (  -0.01, -75.25) (   0.87, -71.22)  458.56                80
 01/20/2018   06:32:24   (   0.01, -75.23) (   0.29, -76.49)  143.54                80
 01/21/2018   06:10:58   (   0.01, -75.24) (  -0.71, -71.96)  374.26                80
 01/22/2018   18:35:34   (  -0.01, -75.30) (  -0.47, -77.26)  223.99                80
 01/23/2018   18:14:09   (  -0.01, -75.31) (   0.59, -72.73)  294.22                80
 01/25/2018   06:38:35   (   0.01, -75.30) (   0.63, -77.99)  306.89                80
 01/26/2018   06:17:11   (   0.01, -75.32) (  -0.43, -73.47)  211.35                80