Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2019   06:45:08   (   0.02, -75.21) (   1.02, -79.56)  497.22                80
 01/18/2019   06:23:44   (   0.02, -75.21) (  -0.02, -75.04)   19.48                80
 01/20/2019   18:28:01   (  -0.02, -75.21) (  -0.14, -75.81)   67.69                13
 01/21/2019   18:08:09   (  -0.02, -75.22) (   0.84, -71.27)  449.36                80
 01/23/2019   06:32:37   (   0.02, -75.23) (   0.29, -76.55)  149.51                80
 01/24/2019   06:11:12   (   0.02, -75.24) (  -0.69, -72.01)  367.88                80
 01/25/2019   18:35:47   (  -0.03, -75.26) (  -0.51, -77.31)  234.81                80
 01/26/2019   18:14:23   (  -0.02, -75.27) (   0.54, -72.79)  283.17                80
 01/28/2019   06:38:50   (   0.03, -75.30) (   0.65, -78.05)  314.04                80
 01/29/2019   06:17:25   (   0.02, -75.32) (  -0.39, -73.53)  204.19                80
 01/30/2019   18:42:01   (  -0.03, -75.34) (  -0.81, -78.83)  397.42                80