Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2018   20:17:20   (  -0.38,-104.61) (   0.03,-102.66)  222.53                80
 08/20/2018   08:39:09   (   0.39,-104.43) (   1.16,-107.92)  397.63                80
 08/21/2018   08:17:44   (   0.38,-104.41) (   0.18,-103.39)  116.23                80
 08/22/2018   20:39:43   (  -0.39,-104.55) (  -1.31,-108.71)  473.93                80
 08/23/2018   20:23:38   (  -0.38,-104.54) (  -0.32,-104.17)   41.24                80
 08/26/2018   08:26:42   (   0.38,-104.36) (   0.53,-104.90)   62.88                80
 08/27/2018   08:05:18   (   0.37,-104.34) (  -0.51,-100.38)  451.30                80
 08/28/2018   20:27:16   (  -0.38,-104.47) (  -0.66,-105.69)  139.44                80
 08/29/2018   20:11:12   (  -0.38,-104.46) (   0.39,-101.17)  376.02                80
 08/31/2018   08:33:00   (   0.38,-104.31) (   0.88,-106.42)  241.20                80