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JPL Small-Body Database Browser
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442512 (2011 WQ65)
Classification: Main-belt Asteroid          SPK-ID: 2442512
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02471219245654891 1.2077e-07  
a 3.096886981238974 9.7776e-08 au
q 3.020356114142416 4.4439e-07 au
i 9.57240400555162 9.391e-06 deg
node 274.0612991968181 4.9726e-05 deg
peri 52.45731773792866 0.00018936 deg
M 240.8580672975465 0.00018828 deg
tp 2459259.292432068599
(2021-Feb-13.79243207)
0.0010563 TDB
period 1990.611283241435
5.45
9.4273e-05
2.581e-07
d
yr
n .1808489698771273 8.5648e-09 deg/d
Q 3.173417848335532 1.0019e-07 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4491 days (12.30 yr)  
   first obs. used      2006-12-21  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:26:55  

Additional Information
 Earth MOID = 2.01512 au 
 Jupiter MOID = 1.97297 au 
 T_jup = 3.201 
[ 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 16.1   n/a MPO434643  
diameter diameter 3.218 km 0.480 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442512 (2011 WQ65)          Discovered 2010-Jun-24 by WISE at WISE
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2011 WQ65 = 2010 MJ61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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