Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2018   08:39:09   (   0.39,-104.43) (   1.17,-107.92)  397.61                80
 08/21/2018   08:17:45   (   0.38,-104.41) (   0.12,-103.40)  116.20                80
 08/22/2018   20:39:42   (  -0.39,-104.55) (  -1.31,-108.70)  473.84                80
 08/23/2018   20:23:38   (  -0.38,-104.54) (  -0.33,-104.17)   41.36                80
 08/26/2018   08:26:43   (   0.38,-104.36) (   0.48,-104.91)   63.04                80
 08/27/2018   08:05:18   (   0.37,-104.34) (  -0.50,-100.38)  451.04                80
 08/28/2018   20:27:16   (  -0.38,-104.46) (  -0.68,-105.68)  139.63                80
 08/29/2018   20:11:12   (  -0.38,-104.46) (   0.37,-101.16)  375.81                80
 08/31/2018   08:33:01   (   0.38,-104.30) (   0.83,-106.43)  241.61                80
 09/01/2018   08:11:36   (   0.38,-104.28) (  -0.15,-101.89)  272.33                80