Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/02/2018   20:17:21   (   0.29,-104.61) (   0.70,-102.78)  208.76                80
 08/04/2018   08:36:29   (  -0.31,-104.47) (   0.50,-108.05)  408.22                80
 08/05/2018   08:20:26   (  -0.30,-104.47) (  -0.54,-103.53)  108.67                80
 08/06/2018   20:39:44   (   0.33,-104.63) (  -0.60,-108.84)  479.79                80
 08/07/2018   20:23:40   (   0.32,-104.64) (   0.38,-104.31)   37.26                80
 08/10/2018   08:26:45   (  -0.34,-104.50) (  -0.23,-105.05)   62.95                80
 08/11/2018   08:08:00   (  -0.33,-104.50) (  -1.21,-100.51)  453.61                80
 08/12/2018   20:27:18   (   0.35,-104.65) (   0.07,-105.83)  135.10                80
 08/13/2018   20:11:15   (   0.34,-104.66) (   1.12,-101.31)  382.24                80
 08/15/2018   08:33:03   (  -0.36,-104.53) (   0.08,-106.58)  233.25                80