Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 7 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/15/2019   18:26:56   (   0.01, -75.20) (  -0.12, -75.77)   65.60                80
 07/16/2019   18:10:51   (   0.02, -75.20) (   0.89, -71.24)  451.29                80
 07/18/2019   06:32:40   (  -0.02, -75.22) (   0.27, -76.51)  147.73                80
 07/19/2019   06:11:15   (  -0.01, -75.23) (  -0.74, -71.98)  369.58                80
 07/20/2019   18:33:12   (   0.02, -75.24) (  -0.42, -77.29)  233.74                80
 07/21/2019   18:17:08   (   0.01, -75.25) (   0.59, -72.76)  284.14                80
 07/23/2019   06:38:56   (  -0.02, -75.28) (   0.57, -78.03)  313.47                80
 07/24/2019   06:17:32   (  -0.01, -75.29) (  -0.44, -73.50)  204.67                80
 07/25/2019   18:39:28   (   0.02, -75.31) (  -0.78, -78.80)  397.90                80
 07/26/2019   18:23:24   (   0.02, -75.33) (   0.24, -74.27)  120.43                80
 07/28/2019   06:45:12   (  -0.02, -75.36) (   0.92, -79.54)  476.58                80