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JPL Small-Body Database Browser
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442525 (2011 WR103)
Classification: Main-belt Asteroid          SPK-ID: 2442525
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0917626327646877 6.8129e-08  
a 3.025601886645012 5.4504e-08 au
q 2.74796469182866 2.0738e-07 au
i 8.165457625158471 7.4969e-06 deg
node 9.154242643463459 4.5113e-05 deg
peri 354.7426946622475 5.9562e-05 deg
M 192.8203100337082 4.2216e-05 deg
tp 2459493.182693310511
(2021-Oct-05.68269331)		 0.00023864 TDB
period 1922.277578434202
5.26		 5.1942e-05
1.422e-07		 d
yr
n .1872778437613777 5.0605e-09 deg/d
Q 3.303239081461364 5.9505e-08 au
   Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5025 days (13.76 yr)  
   first obs. used      2005-07-29  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52154  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:31  

Additional Information
 Earth MOID = 1.74511 au 
 Jupiter MOID = 2.14645 au 
 T_jup = 3.223 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO437721  

442525 (2011 WR103)          Discovered 2011-Oct-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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