Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/29/2018   18:26:55   (   0.02, -75.22) (  -0.06, -75.69)   52.98                80
 08/30/2018   18:10:51   (   0.02, -75.23) (   0.93, -71.15)  464.84                80
 09/01/2018   06:32:40   (  -0.03, -75.25) (   0.21, -76.43)  133.70                80
 09/02/2018   06:11:15   (  -0.03, -75.27) (  -0.78, -71.90)  384.08                80
 09/03/2018   18:33:13   (   0.03, -75.29) (  -0.39, -77.21)  218.27                80
 09/04/2018   18:17:08   (   0.04, -75.31) (   0.60, -72.67)  299.61                80
 09/06/2018   06:38:58   (  -0.04, -75.33) (   0.55, -77.95)  298.55                80
 09/07/2018   06:17:34   (  -0.04, -75.35) (  -0.50, -73.43)  219.57                80
 09/08/2018   18:39:30   (   0.05, -75.38) (  -0.72, -78.72)  381.97                80
 09/09/2018   18:23:27   (   0.05, -75.40) (   0.33, -74.20)  136.79                80
 09/11/2018   06:45:15   (  -0.05, -75.44) (   0.88, -79.47)  459.72                80