Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2018   08:36:29   (  -0.31,-104.47) (   0.50,-108.05)  408.11                80
 08/05/2018   08:20:26   (  -0.30,-104.47) (  -0.54,-103.52)  108.84                80
 08/06/2018   20:39:44   (   0.33,-104.63) (  -0.61,-108.84)  479.21                80
 08/07/2018   20:23:40   (   0.32,-104.64) (   0.37,-104.30)   37.98                80
 08/10/2018   08:26:44   (  -0.34,-104.50) (  -0.22,-105.05)   62.35                80
 08/11/2018   08:08:00   (  -0.33,-104.50) (  -1.20,-100.51)  454.28                80
 08/12/2018   20:27:18   (   0.35,-104.66) (   0.06,-105.83)  134.07                80
 08/13/2018   20:11:15   (   0.34,-104.67) (   1.11,-101.31)  383.36                80
 08/15/2018   08:33:03   (  -0.36,-104.54) (   0.10,-106.57)  232.27                80
 08/16/2018   08:11:39   (  -0.35,-104.54) (  -0.89,-102.04)  284.69                80