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362781 (2011 WK113)
Classification: Main-belt Asteroid          SPK-ID: 2362781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592650692911307 4.0398e-08  
a 2.723462990812611 3.317e-08 au
q 2.28971046886901 1.1203e-07 au
i 9.318738776581814 7.1838e-06 deg
node 23.76009204656523 3.179e-05 deg
peri 60.41019671577158 4.1696e-05 deg
M 358.4900942443866 2.5166e-05 deg
tp 2459207.385381110182
(2020-Dec-23.88538111)
0.00011478 TDB
period 1641.650275489164
4.49
2.9991e-05
8.211e-08
d
yr
n .2192915296120123 4.0062e-09 deg/d
Q 3.157215512756211 3.8453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6147 days (16.83 yr)  
   first obs. used      2004-04-13  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:40:46  

Additional Information
 Earth MOID = 1.32148 au 
 Jupiter MOID = 2.15562 au 
 T_jup = 3.320 
[ 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 16.80   n/a MPCxxxxx  

362781 (2011 WK113)          Discovered 2004-Apr-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2011 WK113 = 2004 GJ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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