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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08397831997223963 8.4762e-08  
a 1.970546354290954 2.3614e-08 au
q 1.805063182030178 1.4841e-07 au
i 22.37613340268353 6.9022e-06 deg
node 67.72420393981271 1.1219e-05 deg
peri 68.51415225614782 5.668e-05 deg
M 108.7942480553918 6.187e-05 deg
tp 2459091.161305660997
(2020-Aug-29.66130566)
0.0001695 TDB
period 1010.365271388936
2.77
1.8161e-05
4.972e-08
d
yr
n .3563067834913928 6.4046e-09 deg/d
Q 2.13602952655173 2.5597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6360 days (17.41 yr)  
   first obs. used      2004-01-31  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:15:55  

Additional Information
 Earth MOID = .887446 au 
 Jupiter MOID = 3.03619 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 17.76   n/a MPO614063  

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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