Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 9 23.  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)
 09/24/2015   11:30:05   (   0.24,-135.24) (   0.88,-138.06)  321.57                80
 09/25/2015   11:18:50   (   0.25,-135.23) (   0.28,-135.32)   11.23                80
 09/26/2015   11:10:15   (   0.25,-135.21) (  -0.37,-132.60)  299.23                80
 09/28/2015   23:29:41   (  -0.22,-135.18) (  -0.86,-137.88)  308.65                80
 09/29/2015   23:21:07   (  -0.23,-135.17) (  -0.21,-135.16)    2.15                80
 09/30/2015   23:09:51   (  -0.24,-135.15) (   0.38,-132.42)  311.35                80
 10/03/2015   11:29:18   (   0.20,-135.10) (   0.78,-137.72)  298.59                80
 10/04/2015   11:20:43   (   0.20,-135.08) (   0.18,-134.98)   10.76                80
 10/05/2015   11:09:27   (   0.21,-135.05) (  -0.43,-132.25)  320.03                80