Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 1 21.  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)
 01/21/2016   23:41:50   (   0.09,-134.99) (  -0.64,-138.09)  354.59                80
 01/22/2016   23:30:32   (   0.09,-135.01) (   0.02,-135.35)   38.10                80
 01/23/2016   23:19:14   (   0.08,-135.04) (   0.61,-132.60)  278.36                80
 01/26/2016   11:41:14   (  -0.08,-135.17) (   0.53,-137.87)  307.47                80
 01/27/2016   11:27:16   (  -0.08,-135.20) (  -0.07,-135.12)    9.24                80
 01/28/2016   11:15:59   (  -0.08,-135.23) (  -0.73,-132.38)  324.82                80
 01/30/2016   23:40:36   (   0.08,-135.23) (  -0.46,-137.63)  274.24                80
 01/31/2016   23:26:38   (   0.08,-135.25) (   0.15,-134.88)   41.36                80
 02/01/2016   23:15:20   (   0.07,-135.26) (   0.81,-132.14)  356.74                80