Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 12 29.  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)
 12/31/2015   11:30:50   (  -0.11,-134.62) (   0.31,-136.49)  213.32                80
 01/01/2016   11:22:13   (  -0.11,-134.57) (  -0.31,-133.74)   94.57                80
 01/02/2016   11:10:55   (  -0.10,-134.52) (  -0.93,-131.00)  402.32                80
 01/04/2016   23:30:15   (   0.11,-134.35) (  -0.35,-136.25)  217.23                80
 01/05/2016   23:21:37   (   0.10,-134.30) (   0.29,-133.51)   90.26                80
 01/06/2016   23:10:19   (   0.10,-134.24) (   0.87,-130.75)  397.62                80
 01/09/2016   11:29:39   (  -0.10,-134.14) (   0.31,-136.01)  213.14                80
 01/10/2016   11:21:00   (  -0.10,-134.08) (  -0.27,-133.26)   93.36                80
 01/11/2016   11:09:43   (  -0.09,-134.02) (  -0.90,-130.52)  399.63                80