Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 12 14.  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)
 12/15/2015   11:13:11   (  -0.08,-135.24) (  -0.86,-131.91)  380.28                80
 12/17/2015   23:32:37   (   0.10,-135.12) (  -0.36,-137.19)  235.88                80
 12/18/2015   23:24:00   (   0.10,-135.09) (   0.26,-134.45)   73.74                80
 12/19/2015   23:12:43   (   0.09,-135.06) (   0.87,-131.70)  383.28                80
 12/22/2015   11:31:58   (  -0.10,-135.01) (   0.35,-136.94)  220.70                80
 12/23/2015   11:23:21   (  -0.10,-134.97) (  -0.25,-134.20)   88.11                80
 12/24/2015   11:12:04   (  -0.09,-134.93) (  -0.91,-131.46)  396.72                80
 12/26/2015   23:31:27   (   0.10,-134.79) (  -0.35,-136.73)  221.75                80
 12/27/2015   23:22:50   (   0.10,-134.74) (   0.28,-133.99)   86.86                80