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JPL Small-Body Database Browser
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312930 (2011 WN61)
Classification: Main-belt Asteroid          SPK-ID: 2312930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07281628283593389 6.4895e-08  
a 2.590819527903838 2.6022e-08 au
q 2.402165680383132 1.8133e-07 au
i 2.237863466821753 7.4517e-06 deg
node 226.8158727502474 0.00011309 deg
peri 133.2877180351819 0.00012546 deg
M 340.268048701956 5.0673e-05 deg
tp 2458683.987547528427
(2019-Jul-19.48754753)
0.00021378 TDB
period 1523.190314848036
4.17
2.2949e-05
6.283e-08
d
yr
n .2363460406035448 3.5608e-09 deg/d
Q 2.779473375424545 2.7917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6257 days (17.13 yr)  
   first obs. used      2002-09-14  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63346  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:33:26  

Additional Information
 Earth MOID = 1.39841 au 
 Jupiter MOID = 2.53921 au 
 T_jup = 3.415 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO455307  

312930 (2011 WN61)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 WN61 = 2007 XR45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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