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312633 (2009 WE5)
Classification: Jupiter Trojan          SPK-ID: 2312633
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05768512616568452 9.0797e-08  
a 5.212528454947623 3.0733e-07 au
q 4.911843093381749 6.9975e-07 au
i 13.36424077795778 7.7179e-06 deg
node 259.522671719071 4.4916e-05 deg
peri 181.2063538433497 0.00014508 deg
M 260.6976445977897 0.00014833 deg
tp 2459799.524712285500
(2022-Aug-08.02471229)
0.0018701 TDB
period 4346.814279222749
11.90
0.00038443
1.053e-06
d
yr
n .08281927335169501 7.3244e-09 deg/d
Q 5.513213816513498 3.2505e-07 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-02-18  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56373  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:11:52  

Additional Information
 Earth MOID = 3.92751 au 
 Jupiter MOID = .189274 au 
 T_jup = 2.943 
[ 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 13.3   n/a MPO341970  
diameter diameter 12.028 km 1.149 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.064   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

312633 (2009 WE5)          Discovered 2009-Nov-16 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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