Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 6 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/10/2018   18:26:32   (   0.01, -75.20) (  -0.11, -75.68)   55.27                80
 06/11/2018   18:10:27   (   0.01, -75.20) (   0.91, -71.15)  461.25                80
 06/13/2018   06:32:15   (  -0.01, -75.19) (   0.28, -76.41)  139.57                80
 06/14/2018   06:10:50   (  -0.02, -75.19) (  -0.74, -71.88)  376.93                80
 06/15/2018   18:32:46   (   0.02, -75.20) (  -0.43, -77.19)  226.79                80
 06/16/2018   18:16:42   (   0.02, -75.20) (   0.59, -72.66)  290.14                80
 06/18/2018   06:38:29   (  -0.02, -75.21) (   0.60, -77.92)  309.60                80
 06/19/2018   06:17:11   (  -0.01, -75.21) (  -0.43, -73.39)  207.80                74
 06/20/2018   18:39:01   (   0.02, -75.23) (  -0.75, -78.69)  394.63                80
 06/21/2018   18:22:57   (   0.01, -75.24) (   0.28, -74.17)  123.34                80
 06/23/2018   06:44:44   (  -0.02, -75.26) (   0.91, -79.43)  474.92                80