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259665 (2003 WW138)
Classification: Main-belt Asteroid          SPK-ID: 2259665
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2290654451691234 4.6924e-08  
a 2.339185577226314 1.5526e-08 au
q 1.803358991645775 1.1517e-07 au
i 3.849571604413602 4.4008e-06 deg
node 257.5455911818386 0.00010398 deg
peri 153.7999728739364 0.00010517 deg
M 236.4360129624833 1.7889e-05 deg
tp 2459449.023141829564
(2021-Aug-22.52314183)
6.7611e-05 TDB
period 1306.758829412146
3.58
1.301e-05
3.562e-08
d
yr
n .2754907729699048 2.7427e-09 deg/d
Q 2.875012162806852 1.9082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      5634 days (15.43 yr)  
   first obs. used      2003-11-21  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:05:21  

Additional Information
 Earth MOID = .815255 au 
 Jupiter MOID = 2.50311 au 
 T_jup = 3.527 
[ 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 17.0   n/a MPO437206  

259665 (2003 WW138)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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