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JPL Small-Body Database Browser
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136234 (2003 WA121)
Classification: Main-belt Asteroid          SPK-ID: 2136234
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1487955760719809 4.8292e-08  
a 2.293337510108964 1.4266e-08 au
q 1.952099034164818 1.0799e-07 au
i 4.502618793884072 6.5764e-06 deg
node 305.0568792679963 7.9707e-05 deg
peri 120.7842163008889 8.4569e-05 deg
M 165.3507714215743 2.488e-05 deg
tp 2458017.854880145256
(2017-Sep-21.35488015)
8.7529e-05 TDB
period 1268.528966296314
3.47
1.1837e-05
3.241e-08
d
yr
n .2837932830584715 2.6481e-09 deg/d
Q 2.63457598605311 1.6389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      6821 days (18.67 yr)  
   first obs. used      1999-09-05  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54627  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:43:40  

Additional Information
 Earth MOID = .970181 au 
 Jupiter MOID = 2.64704 au 
 T_jup = 3.578 
[ 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 16.0   n/a MPO338184  

136234 (2003 WA121)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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