Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2019   06:23:43   (   0.02, -75.21) (   0.00, -75.03)   19.64                80
 01/20/2019   18:29:34   (  -0.02, -75.21) (  -0.17, -75.80)   67.69                80
 01/21/2019   18:08:10   (  -0.02, -75.22) (   0.87, -71.28)  449.36                80
 01/23/2019   06:32:37   (   0.02, -75.23) (   0.31, -76.55)  149.47                80
 01/24/2019   06:11:12   (   0.02, -75.24) (  -0.73, -72.02)  367.90                80
 01/25/2019   18:35:48   (  -0.03, -75.26) (  -0.48, -77.32)  234.79                80
 01/26/2019   18:14:22   (  -0.02, -75.27) (   0.51, -72.78)  283.19                80
 01/28/2019   06:38:51   (   0.03, -75.30) (   0.62, -78.06)  314.05                80
 01/29/2019   06:17:25   (   0.02, -75.32) (  -0.36, -73.52)  204.19                80
 01/30/2019   18:42:00   (  -0.03, -75.34) (  -0.84, -78.82)  397.44                80