Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 3.  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)
 09/04/2017   12:20:58   (   0.29,-135.07) (   0.01,-133.89)  134.15                80
 09/05/2017   12:09:30   (   0.29,-135.05) (  -0.63,-131.10)  451.79                80
 09/07/2017   00:42:38   (  -0.26,-134.95) (  -1.20,-139.05)  467.86                80
 09/08/2017   00:31:10   (  -0.26,-134.93) (  -0.55,-136.25)  150.08                80
 09/09/2017   00:22:20   (  -0.27,-134.92) (   0.05,-133.45)  167.52                80
 09/10/2017   00:10:52   (  -0.27,-134.90) (   0.71,-130.65)  485.01                80
 09/11/2017   12:41:05   (   0.24,-134.96) (   1.09,-138.54)  409.19                80
 09/12/2017   12:29:37   (   0.25,-134.94) (   0.44,-135.75)   92.70                80
 09/13/2017   12:20:48   (   0.25,-134.91) (  -0.20,-132.95)  223.58                80
 09/16/2017   00:39:46   (  -0.21,-134.74) (  -0.96,-138.10)  382.99                80
 09/17/2017   00:28:17   (  -0.22,-134.71) (  -0.35,-135.30)   66.67                80