Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/19/2018   18:16:59   (   0.03, -75.19) (   0.60, -72.65)  289.62                80
 08/21/2018   06:38:47   (  -0.03, -75.22) (   0.60, -77.92)  308.54                80
 08/22/2018   06:17:24   (  -0.03, -75.23) (  -0.45, -73.40)  209.02                80
 08/23/2018   18:39:21   (   0.04, -75.24) (  -0.74, -78.70)  394.29                80
 08/24/2018   18:23:18   (   0.04, -75.26) (   0.30, -74.18)  123.72                80
 08/26/2018   06:45:06   (  -0.05, -75.30) (   0.90, -79.45)  473.26                80
 08/27/2018   06:23:42   (  -0.04, -75.32) (  -0.15, -74.92)   45.12                80
 08/29/2018   18:26:55   (   0.05, -75.36) (  -0.04, -75.69)   38.31                80
 08/30/2018   18:10:52   (   0.05, -75.39) (   1.00, -71.17)  480.56                80
 09/01/2018   06:32:40   (  -0.05, -75.43) (   0.20, -76.44)  115.42                80
 09/02/2018   06:11:17   (  -0.05, -75.46) (  -0.84, -71.92)  403.46                80