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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08412390961467764 1.0721e-07  
a 1.97078239354123 2.45e-08 au
q 1.80499247359677 1.9618e-07 au
i 22.37638719005674 7.0875e-06 deg
node 67.72919761334317 1.9317e-05 deg
peri 68.59180240669244 6.3994e-05 deg
M 327.6265527735172 6.3616e-05 deg
tp 2459091.374677709686
(2020-Aug-29.87467771)
0.00017974 TDB
period 1010.5468146971
2.77
1.8844e-05
5.159e-08
d
yr
n .3562427734809157 6.6431e-09 deg/d
Q 2.136572313485691 2.6561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5781 days (15.83 yr)  
   first obs. used      2004-01-31  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 04:12:47  

Additional Information
 Earth MOID = .887561 au 
 Jupiter MOID = 3.03794 au 
 T_jup = 3.774 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457263.5 (2015-Aug-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08391098320697885 1.0727e-07  
q 1.805232783219644 1.9626e-07 au
tp 2457070.340053949087
(2015-Feb-16.84005395)
0.00015665 TDB
node 67.74019518192563 1.932e-05 deg
peri 68.58510417373505 6.4196e-05 deg
i 22.37536669035099 7.0872e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5781 days (15.83 yr)  
   first obs. used      2004-01-31  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 04:12:47  

Additional Information
 Jupiter MOID = 3.03794 au 
 T_jup = 3.774 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.150700050699306E-14 -2.098268208758986E-14 9.384762437386137E-12 2.598727216958497E-14 3.953373495346608E-12 -7.178414757763199E-14
q -2.098268208758986E-14 3.851645318908009E-14 -1.654378120359238E-11 -4.439585922301997E-14 -7.002628231782712E-12 1.342338436798178E-13
tp 9.384762437386137E-12 -1.654378120359238E-11 2.453886191077382E-8 -1.431309715689359E-11 9.612192614711965E-9 -2.388883859272481E-11
node 2.598727216958497E-14 -4.439585922301997E-14 -1.431309715689359E-11 3.732640368949179E-10 -3.496246471302155E-10 -5.500420594701787E-12
peri 3.953373495346608E-12 -7.002628231782712E-12 9.612192614711965E-9 -3.496246471302155E-10 4.121116991226671E-9 -7.511224033748065E-12
i -7.178414757763199E-14 1.342338436798178E-13 -2.388883859272481E-11 -5.500420594701787E-12 -7.511224033748065E-12 5.022833929250285E-11

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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