Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 12 16.  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)
 12/17/2015   23:32:37   (   0.10,-135.12) (  -0.38,-137.19)  235.88                80
 12/18/2015   23:24:00   (   0.10,-135.09) (   0.23,-134.44)   73.73                80
 12/19/2015   23:12:42   (   0.09,-135.06) (   0.85,-131.70)  383.24                80
 12/22/2015   11:31:59   (  -0.11,-135.01) (   0.32,-136.95)  220.99                80
 12/23/2015   11:23:21   (  -0.10,-134.97) (  -0.28,-134.20)   87.75                80
 12/24/2015   11:12:04   (  -0.09,-134.93) (  -0.88,-131.46)  396.37                80
 12/26/2015   23:31:28   (   0.10,-134.78) (  -0.33,-136.73)  221.97                80
 12/27/2015   23:22:49   (   0.10,-134.74) (   0.24,-133.98)   86.67                80
 12/28/2015   23:11:32   (   0.09,-134.70) (   0.87,-131.23)  395.18                80