Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 2 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2019   06:38:44   (  -0.02, -75.20) (   0.60, -78.04)  323.45                80
 02/14/2019   06:17:19   (  -0.01, -75.20) (  -0.40, -73.51)  193.61                80
 02/15/2019   18:39:14   (  -0.00, -75.21) (  -0.80, -78.80)  409.69                80
 02/16/2019   18:23:08   (  -0.01, -75.21) (   0.19, -74.27)  107.55                80
 02/18/2019   06:44:56   (   0.01, -75.23) (   0.98, -79.54)  491.48                80
 02/19/2019   06:23:31   (   0.01, -75.23) (  -0.07, -75.01)   26.04                80
 02/21/2019   18:26:41   (  -0.00, -75.26) (  -0.13, -75.77)   58.91                80
 02/22/2019   18:10:37   (  -0.00, -75.27) (   0.92, -71.25)  459.27                80
 02/24/2019   06:32:24   (   0.00, -75.30) (   0.25, -76.52)  138.06                80
 02/25/2019   06:10:58   (   0.00, -75.32) (  -0.75, -71.98)  380.43                80