Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 12 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)
 12/09/2015   23:25:07   (   0.09,-135.33) (   0.17,-134.89)   49.97                80
 12/10/2015   23:13:50   (   0.08,-135.31) (   0.83,-132.15)  360.93                80
 12/13/2015   11:33:04   (  -0.09,-135.29) (   0.42,-137.38)  239.27                80
 12/14/2015   11:24:28   (  -0.09,-135.27) (  -0.23,-134.65)   70.72                80
 12/15/2015   11:13:11   (  -0.08,-135.24) (  -0.88,-131.91)  380.55                80
 12/17/2015   23:32:37   (   0.10,-135.12) (  -0.40,-137.19)  236.04                80
 12/18/2015   23:24:00   (   0.10,-135.09) (   0.27,-134.45)   73.64                80
 12/19/2015   23:12:43   (   0.09,-135.06) (   0.88,-131.71)  383.14                80
 12/22/2015   11:31:59   (  -0.10,-135.02) (   0.36,-136.95)  220.48                80
 12/23/2015   11:23:22   (  -0.10,-134.98) (  -0.30,-134.21)   88.32                80