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JPL Small-Body Database Browser
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312636 (2009 WG229)
Classification: Jupiter Trojan          SPK-ID: 2312636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06364101600775596 8.6754e-08  
a 5.340691768635962 2.4272e-07 au
q 5.00080471829571 5.9789e-07 au
i 3.62915674999624 7.7454e-06 deg
node 128.7758045378611 0.00016103 deg
peri 319.0911903997506 0.00018879 deg
M 243.3306562817626 0.00010555 deg
tp 2460061.495747697940
(2023-Apr-26.99574770)
0.0013812 TDB
period 4508.112006196553
12.34
0.00030732
8.414e-07
d
yr
n .07985604605767732 5.4438e-09 deg/d
Q 5.680578818976214 2.5816e-07 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2000-01-05  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7116  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:11:52  

Additional Information
 Earth MOID = 4.01828 au 
 Jupiter MOID = .188226 au 
 T_jup = 2.992 
[ 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 13.9   n/a MPO455304  

312636 (2009 WG229)          Discovered 2009-Nov-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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