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172678 (2003 YM137)
Classification: Apollo [NEO, PHA]          SPK-ID: 2172678
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6892074716198583 6.9825e-08  
a 2.593550995406631 1.8987e-07 AU
q .8060562713452603 1.4234e-07 AU
i 2.701443636919994 6.2177e-06 deg
node 77.0846631249663 0.00020434 deg
peri 127.1876214070716 0.00020156 deg
M 55.64421901452314 9.3685e-05 deg
tp 2456164.692200842990
(2012-Aug-25.19220084)		 0.00037113 JED
period 1525.599769391447
4.18		 0.00016753
4.587e-07		 d
yr
n .2359727677093199 2.5913e-08 deg/d
Q 4.381045719468003 3.2073e-07 AU
   Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      1456 days (3.99 yr)  
   first obs. used      2003-12-21  
   last obs. used      2007-12-16  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .53577  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 15:40:12  

Additional Information
 Earth MOID = .00629885 AU 
 T_jup = 3.028 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.718 mag .59869 49 autocmod 2.5c

172678 (2003 YM137)          Discovered 2003-Dec-27 by LINEAR at Socorro (704)
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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