Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 8 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2019   21:46:29   (  -0.37,-128.40) (   0.37,-125.03)  383.69                80
 08/29/2019   10:08:18   (   0.38,-128.39) (   0.77,-130.30)  217.52                80
 08/30/2019   09:46:52   (   0.37,-128.37) (  -0.19,-125.76)  297.40                80
 08/31/2019   22:08:49   (  -0.38,-128.34) (  -1.01,-131.06)  309.91                80
 09/01/2019   21:52:44   (  -0.37,-128.33) (   0.01,-126.53)  205.44                80
 09/03/2019   10:14:32   (   0.37,-128.33) (   1.14,-131.80)  395.53                80
 09/04/2019   09:53:08   (   0.37,-128.31) (   0.12,-127.27)  119.08                80
 09/05/2019   22:15:04   (  -0.37,-128.27) (  -1.31,-132.57)  489.83                80
 09/06/2019   21:58:59   (  -0.37,-128.25) (  -0.35,-128.03)   25.08                80
 09/09/2019   10:02:03   (   0.36,-128.23) (   0.48,-128.77)   62.34                80