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JPL Small-Body Database Browser
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324088 (2005 WJ121)
Classification: Main-belt Asteroid          SPK-ID: 2324088
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05680880249582246 5.5444e-08  
a 2.882265063735916 3.1089e-08 au
q 2.718527036989533 1.7171e-07 au
i 5.322844406546196 6.7146e-06 deg
node 228.9965262902443 7.9548e-05 deg
peri 195.3414368416722 0.00011017 deg
M 347.5685498766333 7.7256e-05 deg
tp 2459062.218959301175
(2020-Jul-31.71895930)
0.00038388 TDB
period 1787.307605140899
4.89
2.8918e-05
7.917e-08
d
yr
n .201420280965917 3.2589e-09 deg/d
Q 3.046003090482298 3.2855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      6910 days (18.92 yr)  
   first obs. used      2000-11-25  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58704  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 09:07:59  

Additional Information
 Earth MOID = 1.73195 au 
 Jupiter MOID = 2.16931 au 
 T_jup = 3.285 
[ 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 16.1   n/a MPO494714  

324088 (2005 WJ121)          Discovered 2005-Nov-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2005 WJ121 = 2001 BN39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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