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

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/10/2018   08:26:45   (  -0.34,-104.50) (  -0.24,-105.05)   61.72                80
 08/11/2018   08:08:00   (  -0.33,-104.51) (  -1.22,-100.51)  455.09                80
 08/12/2018   20:27:19   (   0.35,-104.67) (   0.08,-105.83)  132.65                80
 08/13/2018   20:11:15   (   0.34,-104.68) (   1.12,-101.31)  384.91                80
 08/15/2018   08:33:03   (  -0.36,-104.55) (   0.08,-106.57)  230.85                80
 08/16/2018   08:11:39   (  -0.35,-104.55) (  -0.90,-102.04)  286.24                80
 08/17/2018   20:33:37   (   0.37,-104.71) (  -0.23,-107.36)  302.10                80
 08/18/2018   20:17:34   (   0.37,-104.72) (   0.81,-102.83)  215.62                80
 08/20/2018   08:39:22   (  -0.39,-104.60) (   0.39,-108.10)  398.84                80
 08/21/2018   08:17:58   (  -0.38,-104.60) (  -0.59,-103.56)  118.10                80