Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 8 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2019   09:59:32   (  -0.29,-128.39) (  -0.19,-128.95)   62.58                80
 08/09/2019   09:43:26   (  -0.28,-128.40) (  -1.15,-124.40)  455.29                80
 08/10/2019   22:02:44   (   0.30,-128.39) (  -0.01,-129.71)  151.33                80
 08/11/2019   21:46:39   (   0.30,-128.40) (   1.01,-125.18)  366.37                80
 08/13/2019   10:05:47   (  -0.32,-128.44) (   0.14,-130.46)  229.54                80
 08/14/2019   09:49:43   (  -0.31,-128.45) (  -0.88,-125.93)  287.83                80
 08/15/2019   22:09:00   (   0.33,-128.43) (  -0.27,-131.24)  319.54                80
 08/16/2019   21:52:56   (   0.33,-128.44) (   0.74,-126.71)  197.93                80
 08/18/2019   10:12:03   (  -0.34,-128.48) (   0.46,-131.97)  398.02                80
 08/19/2019   09:55:59   (  -0.34,-128.49) (  -0.55,-127.44)  119.08                80
 08/20/2019   22:15:16   (   0.35,-128.45) (  -0.59,-132.75)  489.10                80