Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/11/2019   21:46:39   (   0.30,-128.40) (   1.02,-125.18)  366.06                80
 08/13/2019   10:05:47   (  -0.32,-128.44) (   0.13,-130.46)  230.13                80
 08/14/2019   09:49:43   (  -0.31,-128.44) (  -0.89,-125.93)  287.05                80
 08/15/2019   22:08:59   (   0.33,-128.42) (  -0.32,-131.23)  320.64                80
 08/16/2019   21:52:55   (   0.33,-128.42) (   0.69,-126.70)  196.65                80
 08/18/2019   10:12:03   (  -0.34,-128.47) (   0.45,-131.97)  399.50                80
 08/19/2019   09:55:59   (  -0.34,-128.47) (  -0.56,-127.44)  117.38                80
 08/20/2019   22:15:15   (   0.35,-128.44) (  -0.64,-132.74)  491.16                80
 08/21/2019   21:59:11   (   0.34,-128.44) (   0.38,-128.21)   25.60                80
 08/24/2019   09:59:34   (  -0.36,-128.47) (  -0.25,-128.95)   55.38                80