Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/14/2018   06:23:55   (  -0.00, -75.20) (  -0.08, -74.96)   28.67                80
 10/16/2018   18:29:46   (   0.00, -75.20) (  -0.12, -75.73)   59.91                80
 10/17/2018   18:08:22   (   0.00, -75.21) (   0.91, -71.20)  456.94                80
 10/19/2018   06:30:09   (  -0.00, -75.23) (   0.28, -76.47)  141.88                80
 10/20/2018   06:11:24   (  -0.00, -75.24) (  -0.75, -71.95)  375.38                80
 10/21/2018   18:36:00   (   0.00, -75.24) (  -0.47, -77.24)  228.53                80
 10/22/2018   18:14:35   (   0.00, -75.26) (   0.56, -72.72)  289.13                80
 10/24/2018   06:36:23   (  -0.00, -75.28) (   0.63, -77.99)  308.64                80
 10/25/2018   06:20:18   (  -0.00, -75.30) (  -0.41, -73.46)  209.23                80
 10/26/2018   18:42:14   (   0.00, -75.31) (  -0.76, -78.77)  394.00                80