Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 8 30.  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)
 08/31/2017   00:25:12   (  -0.31,-135.02) (  -0.15,-134.39)   72.48                80
 09/01/2017   00:13:43   (  -0.31,-135.02) (   0.50,-131.60)  391.05                80
 09/03/2017   12:35:07   (   0.28,-135.08) (   0.63,-136.69)  183.89                80
 09/04/2017   12:20:59   (   0.29,-135.07) (  -0.01,-133.90)  133.86                80
 09/05/2017   12:09:30   (   0.29,-135.05) (  -0.64,-131.10)  451.43                80
 09/07/2017   00:42:39   (  -0.26,-134.94) (  -1.19,-139.05)  468.38                80
 09/08/2017   00:31:09   (  -0.26,-134.93) (  -0.59,-136.24)  150.67                80
 09/09/2017   00:22:21   (  -0.27,-134.91) (   0.07,-133.45)  166.85                80
 09/10/2017   00:10:52   (  -0.27,-134.90) (   0.72,-130.66)  484.27                80
 09/11/2017   12:41:05   (   0.24,-134.96) (   1.08,-138.55)  410.06                80
 09/12/2017   12:29:37   (   0.25,-134.93) (   0.44,-135.75)   93.62                80
 09/13/2017   12:20:49   (   0.25,-134.91) (  -0.21,-132.96)  222.59                80