Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 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)
 08/17/2018   06:11:05   (  -0.02, -75.20) (  -0.74, -71.87)  378.53                80
 08/18/2018   18:33:03   (   0.03, -75.21) (  -0.39, -77.19)  225.21                80
 08/19/2018   18:16:59   (   0.03, -75.22) (   0.59, -72.65)  292.31                80
 08/21/2018   06:38:48   (  -0.03, -75.24) (   0.55, -77.93)  305.70                80
 08/22/2018   06:17:24   (  -0.04, -75.26) (  -0.44, -73.40)  212.08                80
 08/23/2018   18:39:21   (   0.04, -75.28) (  -0.75, -78.70)  390.73                80
 08/24/2018   18:23:17   (   0.04, -75.30) (   0.30, -74.18)  127.46                80
 08/26/2018   06:45:06   (  -0.05, -75.33) (   0.90, -79.45)  469.39                80
 08/27/2018   06:23:42   (  -0.05, -75.35) (  -0.15, -74.92)   49.18                80
 08/29/2018   18:26:55   (   0.05, -75.41) (  -0.04, -75.70)   33.50                80
 08/30/2018   18:10:52   (   0.05, -75.43) (   1.01, -71.17)  485.61                80