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510466 (2011 WK61)
Classification: Inner Main-belt Asteroid          SPK-ID: 2510466
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08406963302275848 1.037e-07  
a 1.970680693854416 2.3749e-08 au
q 1.80500629111704 1.9021e-07 au
i 22.37582070675038 7.0575e-06 deg
node 67.72536314205934 1.8964e-05 deg
peri 68.546555463695 6.4041e-05 deg
M 38.91921669262146 6.4312e-05 deg
tp 2459091.259316218090
(2020-Aug-29.75931622)
0.00017914 TDB
period 1010.468593756244
2.77
1.8266e-05
5.001e-08
d
yr
n .3562703504339126 6.4402e-09 deg/d
Q 2.136355096591791 2.5745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5806 days (15.90 yr)  
   first obs. used      2004-01-31  
   last obs. used      2019-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:10:39  

Additional Information
 Earth MOID = .887178 au 
 Jupiter MOID = 3.03704 au 
 T_jup = 3.775 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO450519  

510466 (2011 WK61)          Discovered 2011-Nov-24 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2018-02-05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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