Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/14/2018   06:45:18   (   0.00, -75.23) (   0.95, -79.54)  490.56                80
 11/15/2018   06:23:54   (   0.00, -75.23) (  -0.07, -75.01)   26.13                80
 11/17/2018   18:27:06   (  -0.00, -75.24) (  -0.11, -75.79)   62.23                80
 11/18/2018   18:11:01   (  -0.00, -75.25) (   0.91, -71.26)  454.86                80
 11/20/2018   06:32:48   (   0.01, -75.27) (   0.29, -76.53)  143.56                80
 11/21/2018   06:11:24   (   0.01, -75.28) (  -0.74, -72.00)  373.77                80
 11/22/2018   18:33:20   (  -0.01, -75.28) (  -0.46, -77.31)  230.27                80
 11/23/2018   18:17:16   (  -0.02, -75.29) (   0.56, -72.78)  287.20                80
 11/25/2018   06:39:03   (   0.02, -75.32) (   0.64, -78.05)  310.81                80
 11/26/2018   06:17:39   (   0.03, -75.33) (  -0.39, -73.52)  206.69                80