Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 8 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 08/10/2017   12:06:24   (   0.38,-134.89) (  -0.47,-131.06)  436.76                80
 08/12/2017   00:39:35   (  -0.37,-134.88) (  -1.34,-139.02)  473.22                80
 08/13/2017   00:28:07   (  -0.37,-134.90) (  -0.66,-136.24)  152.16                80
 08/14/2017   00:19:19   (  -0.38,-134.92) (  -0.04,-133.44)  168.70                80
 08/15/2017   00:07:51   (  -0.37,-134.93) (   0.64,-130.65)  489.41                80
 08/16/2017   12:40:43   (   0.36,-135.01) (   1.18,-138.53)  401.95                80
 08/17/2017   12:29:14   (   0.36,-135.02) (   0.55,-135.74)   82.18                80
 08/18/2017   12:15:07   (   0.36,-135.03) (  -0.14,-132.95)  237.48                80
 08/21/2017   00:36:48   (  -0.34,-134.98) (  -1.06,-138.11)  357.42                80
 08/22/2017   00:25:20   (  -0.34,-134.99) (  -0.43,-135.32)   37.59                80
 08/23/2017   00:16:32   (  -0.34,-135.00) (   0.20,-132.52)  282.25                80