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JPL Small-Body Database Browser
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20123 (1995 WD32)
Classification: Main-belt Asteroid          SPK-ID: 2020123
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100585134380239 3.8276e-08  
a 2.974729761011889 1.689e-08 au
q 2.647335425635073 1.1444e-07 au
i 3.523598889507239 4.6917e-06 deg
node 134.4325563139082 8.099e-05 deg
peri 356.2448094596199 8.4658e-05 deg
M 191.0818659521413 2.4478e-05 deg
tp 2459479.812969946358
(2021-Sep-22.31296995)		 0.00012906 TDB
period 1874.000508974374
5.13		 1.596e-05
4.37e-08		 d
yr
n .1921024024678761 1.6361e-09 deg/d
Q 3.302124096388706 1.8749e-08 au
   Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      8716 days (23.86 yr)  
   first obs. used      1995-11-19  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56883  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:22:01  

Additional Information
 Earth MOID = 1.66242 au 
 Jupiter MOID = 1.73731 au 
 T_jup = 3.249 
[ 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 14.4   n/a MPO412335  

20123 (1995 WD32)          Discovered 1995-Nov-19 by Spacewatch at Kitt Peak
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WD32 = 1997 LM14 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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