Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2018   18:33:03   (   0.02, -75.20) (  -0.44, -77.18)  226.10                80
 08/19/2018   18:16:59   (   0.03, -75.21) (   0.61, -72.65)  291.34                80
 08/21/2018   06:38:47   (  -0.03, -75.23) (   0.59, -77.92)  306.70                80
 08/22/2018   06:17:24   (  -0.03, -75.25) (  -0.45, -73.40)  211.00                80
 08/23/2018   18:39:21   (   0.04, -75.27) (  -0.73, -78.70)  392.00                80
 08/24/2018   18:23:18   (   0.04, -75.28) (   0.31, -74.18)  126.14                80
 08/26/2018   06:45:06   (  -0.05, -75.32) (   0.89, -79.45)  470.75                80
 08/27/2018   06:23:43   (  -0.05, -75.34) (  -0.16, -74.93)   47.79                80
 08/29/2018   18:26:55   (   0.05, -75.39) (  -0.03, -75.70)   35.15                80
 08/30/2018   18:10:52   (   0.05, -75.42) (   1.02, -71.18)  483.83                80