NH 3rd Stage Trajectory Prediction Yanping Guo 4/28/2008

Where IS NH 3rd Stage? The NH 3rd stage trajectory is estimated assuming it had the same initial state (position and velocity) of the NH spacecraft after separation Same initial state used for NH TCM-1 design The estimated trajectory shows the 3rd stage would pass Jupiter from a distance of about 2.9 million km (Slide 4) C/A time: 27 Feb 2007 23:30:56 UTC C/A distance: 2,905,881 km The 3rd stage would pass by Pluto in Oct 2015 at a distance of about 1.4 AU (Slide 5) C/A time: 20 Oct 2015 21:44:30 UTC C/A distance: 213,670,027 km April 28, 2008

NH (red line) and 3rd Stage (green line) Trajectory April 28, 2008

NH and 3rd Stage at Jupiter Flyby April 28, 2008

NH and 3rd Stage at Pluto Encounter April 28, 2008

NH (red line) and 3rd Stage (green line) Trajectory NH Spacecraft (red line) and 3rd stage (green line) Trajectory Date Distance between NH and 3rd Stage   (km) (AU) 1/19/2006 0.000E+00 0.000 1/19/2007 7.010E+05 0.005 1/19/2008 2.777E+07 0.186 1/19/2009 5.701E+07 0.381 1/19/2010 8.552E+07 0.572 1/19/2011 1.138E+08 0.761 1/19/2012 1.421E+08 0.950 1/19/2013 1.705E+08 1.140 1/19/2014 1.990E+08 1.330 1/19/2015 2.276E+08 1.522 April 28, 2008

NH Spacecraft and 3rd stage at Jupiter Flyby on Feb 28, 2007 3rd Stage Distance from Jupiter: 2,940,000 km April 28, 2008

NH and 3rd Stage at Pluto Encounter 3rd Stage Distance from Pluto: 1.614 AU NH Spacecraft and 3rd stage at Pluto Encounter on July 14, 2015 April 28, 2008