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, -75.19) (  -0.41, -77.18)  226.95                80
 08/19/2018   18:16:59   (   0.03, -75.20) (   0.58, -72.65)  290.43                80
 08/21/2018   06:38:48   (  -0.03, -75.23) (   0.56, -77.93)  307.67                80
 08/22/2018   06:17:23   (  -0.03, -75.24) (  -0.42, -73.39)  209.96                80
 08/23/2018   18:39:22   (   0.04, -75.25) (  -0.70, -78.71)  393.23                80
 08/24/2018   18:23:17   (   0.04, -75.27) (   0.28, -74.18)  124.83                80
 08/26/2018   06:45:06   (  -0.05, -75.31) (   0.86, -79.45)  472.08                80
 08/27/2018   06:23:42   (  -0.04, -75.33) (  -0.13, -74.92)   46.35                80
 08/29/2018   18:26:56   (   0.05, -75.38) (   0.00, -75.70)   36.91                80
 08/30/2018   18:10:51   (   0.05, -75.40) (   0.99, -71.17)  482.10                80