Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 4.  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)
 09/05/2017   12:09:30   (   0.29,-135.05) (  -0.62,-131.10)  451.81                80
 09/07/2017   00:42:38   (  -0.26,-134.95) (  -1.21,-139.04)  467.65                80
 09/08/2017   00:31:10   (  -0.26,-134.93) (  -0.55,-136.25)  149.81                80
 09/09/2017   00:22:20   (  -0.27,-134.92) (   0.04,-133.44)  167.84                80
 09/10/2017   00:10:52   (  -0.27,-134.90) (   0.70,-130.65)  485.35                80
 09/11/2017   12:41:05   (   0.24,-134.97) (   1.09,-138.54)  408.90                80
 09/12/2017   12:29:37   (   0.25,-134.94) (   0.45,-135.75)   92.39                80
 09/13/2017   12:20:48   (   0.25,-134.92) (  -0.19,-132.95)  223.95                80
 09/16/2017   00:39:46   (  -0.21,-134.75) (  -0.97,-138.10)  382.44                80
 09/17/2017   00:28:16   (  -0.22,-134.72) (  -0.36,-135.30)   66.09                80
 09/18/2017   00:19:28   (  -0.22,-134.69) (   0.31,-132.51)  250.17                80