Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 12 12.  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)
 12/13/2015   11:33:04   (  -0.09,-135.29) (   0.40,-137.39)  239.31                80
 12/14/2015   11:24:28   (  -0.09,-135.27) (  -0.25,-134.65)   70.69                80
 12/15/2015   11:13:10   (  -0.08,-135.24) (  -0.84,-131.90)  380.48                80
 12/17/2015   23:32:37   (   0.10,-135.12) (  -0.38,-137.19)  235.77                80
 12/18/2015   23:24:00   (   0.10,-135.09) (   0.24,-134.44)   73.85                80
 12/19/2015   23:12:42   (   0.09,-135.06) (   0.85,-131.70)  383.41                80
 12/22/2015   11:31:59   (  -0.10,-135.02) (   0.32,-136.95)  220.41                80
 12/23/2015   11:23:22   (  -0.10,-134.98) (  -0.28,-134.21)   88.38                80
 12/24/2015   11:12:04   (  -0.09,-134.94) (  -0.89,-131.46)  397.03                80