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332131 (2005 WD87)
Classification: Main-belt Asteroid          SPK-ID: 2332131
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218603312628079 9.7291e-08  
a 2.597405739844272 3.2231e-08 au
q 2.029604240875128 2.729e-07 au
i 3.737069186959268 4.0815e-06 deg
node 84.36515870627066 0.00010376 deg
peri 290.123999262555 0.00010416 deg
M 219.566134516037 1.2192e-05 deg
tp 2459596.954706796202
(2022-Jan-17.45470680)
6.0066e-05 TDB
period 1529.002236794181
4.19
2.846e-05
7.792e-08
d
yr
n .2354476607927028 4.3825e-09 deg/d
Q 3.165207238813416 3.9277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      8596 days (23.53 yr)  
   first obs. used      1996-10-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:27:59  

Additional Information
 Earth MOID = 1.03432 au 
 Jupiter MOID = 2.3031 au 
 T_jup = 3.379 
[ 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 16.6   n/a MPO437417  

332131 (2005 WD87)          Discovered 2005-Nov-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

Alternate Designations
 2005 WD87 = 2002 AN195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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