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JPL Small-Body Database Browser
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379323 (2009 WW39)
Classification: Main-belt Asteroid          SPK-ID: 2379323
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2501168381270001 5.3397e-08  
a 2.536618025883197 2.8225e-08 au
q 1.902167145713339 1.3576e-07 au
i 4.873927045938512 7.8256e-06 deg
node 271.2732009208507 7.4987e-05 deg
peri 54.16715473841532 7.7923e-05 deg
M 294.8054544884012 2.6697e-05 deg
tp 2459267.732823121070
(2021-Feb-22.23282312)
0.00011101 TDB
period 1475.642104238148
4.04
2.463e-05
6.743e-08
d
yr
n .2439615940518738 4.0719e-09 deg/d
Q 3.171068906053055 3.5285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6282 days (17.20 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59555  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:15:05  

Additional Information
 Earth MOID = .895106 au 
 Jupiter MOID = 2.19297 au 
 T_jup = 3.398 
[ 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 16.4   n/a MPO434347  

379323 (2009 WW39)          Discovered 2001-Dec-17 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

Alternate Designations
 2009 WW39 = 2001 YE15 = 2005 WW163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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