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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0247453554564523 1.2117e-07  
a 3.102049801491232 9.9123e-08 au
q 3.025288476509714 4.4894e-07 au
i 9.570885115073722 9.2567e-06 deg
node 274.0578500655408 4.9535e-05 deg
peri 48.36877862179875 0.00018191 deg
M 317.1689805675085 0.00018179 deg
tp 2459237.925568285804
(2021-Jan-23.42556829)
0.0010127 TDB
period 1995.591179369636
5.46
9.5651e-05
2.619e-07
d
yr
n .1803976704856534 8.6466e-09 deg/d
Q 3.17881112647275 1.0158e-07 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      4492 days (12.30 yr)  
   first obs. used      2006-12-21  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:41:35  

Additional Information
 Earth MOID = 2.01908 au 
 Jupiter MOID = 1.96318 au 
 T_jup = 3.200 
[ 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 16.0   n/a MPO472462  
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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