Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 12 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/03/2018   18:27:05   (   0.01, -75.17) (  -0.14, -75.80)   72.53                80
 12/04/2018   18:11:00   (   0.01, -75.17) (   0.88, -71.28)  443.67                80
 12/06/2018   06:32:48   (  -0.01, -75.17) (   0.30, -76.54)  157.13                80
 12/07/2018   06:11:23   (  -0.01, -75.17) (  -0.72, -72.02)  359.32                80
 12/08/2018   18:33:19   (   0.01, -75.17) (  -0.47, -77.32)  244.69                80
 12/09/2018   18:17:15   (   0.01, -75.18) (   0.56, -72.80)  272.19                80
 12/11/2018   06:39:02   (  -0.00, -75.19) (   0.62, -78.06)  327.53                80
 12/12/2018   06:17:37   (  -0.00, -75.19) (  -0.35, -73.52)  189.71                80
 12/13/2018   18:39:33   (  -0.00, -75.21) (  -0.84, -78.83)  413.18                80
 12/14/2018   18:23:29   (  -0.01, -75.22) (   0.20, -74.30)  104.50                80