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JPL Small-Body Database Browser
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146224 (2000 WD38)
Classification: Main-belt Asteroid          SPK-ID: 2146224
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05246350909128657 5.4641e-08  
a 3.096351722529698 2.9241e-08 au
q 2.93390624578494 1.6658e-07 au
i 11.49278793835991 5.6851e-06 deg
node 91.72222313878891 2.7313e-05 deg
peri 342.9769795667398 5.6608e-05 deg
M 130.4804704246998 5.0934e-05 deg
tp 2457879.198440662190
(2017-May-05.69844066)
0.00027887 TDB
period 1990.095226637508
5.45
2.8191e-05
7.718e-08
d
yr
n .1808958662788518 2.5625e-09 deg/d
Q 3.258797199274456 3.0775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      6745 days (18.47 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:21:59  

Additional Information
 Earth MOID = 1.95125 au 
 Jupiter MOID = 1.94788 au 
 T_jup = 3.190 
[ 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 15.1   n/a MPO257676  

146224 (2000 WD38)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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