Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/11/2018   06:16:58   (   0.02, -75.16) (  -0.39, -73.41)  200.06                80
 02/12/2018   18:38:53   (  -0.03, -75.21) (  -0.80, -78.71)  399.09                80
 02/13/2018   18:22:48   (  -0.03, -75.22) (   0.21, -74.18)  119.28                80
 02/15/2018   06:44:34   (   0.03, -75.22) (   0.98, -79.44)  480.57                80
 02/16/2018   06:23:09   (   0.03, -75.24) (  -0.03, -74.90)   37.92                80
 02/18/2018   18:26:19   (  -0.04, -75.31) (  -0.14, -75.67)   41.59                80
 02/19/2018   18:10:13   (  -0.04, -75.33) (   0.87, -71.14)  477.55                80
 02/21/2018   06:32:00   (   0.04, -75.34) (   0.25, -76.41)  121.17                80
 02/22/2018   06:10:35   (   0.04, -75.36) (  -0.76, -71.88)  397.91                80
 02/23/2018   18:32:30   (  -0.04, -75.42) (  -0.42, -77.18)  199.95                80
 02/24/2018   18:16:25   (  -0.05, -75.44) (   0.59, -72.64)  319.46                80