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136235 (2003 WL122)
Classification: Main-belt Asteroid          SPK-ID: 2136235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08417650945521704 4.6984e-08  
a 2.485614751828213 1.9233e-08 au
q 2.276384378168919 1.1686e-07 au
i 5.43876644679092 4.5949e-06 deg
node 275.0168342544375 7.5813e-05 deg
peri 324.5598785365517 8.5423e-05 deg
M 259.5722844593452 4.1872e-05 deg
tp 2459399.800851659406
(2021-Jul-04.30085166)
0.0001674 TDB
period 1431.360912906502
3.92
1.6614e-05
4.549e-08
d
yr
n .2515088939162024 2.9192e-09 deg/d
Q 2.694845125487507 2.0852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      6381 days (17.47 yr)  
   first obs. used      2002-08-06  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:39:22  

Additional Information
 Earth MOID = 1.26607 au 
 Jupiter MOID = 2.32627 au 
 T_jup = 3.465 
[ 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 MPO453845  

136235 (2003 WL122)          Discovered 2003-Nov-20 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2003 WL122 = 2002 PG18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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