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146229 (2000 WM84)
Classification: Outer Main-belt Asteroid          SPK-ID: 2146229
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148196051186571 4.0304e-08  
a 3.226179383845412 2.7296e-08 au
q 2.855750740950329 1.2869e-07 au
i 4.946673900736848 6.7301e-06 deg
node 24.36416827710853 5.3023e-05 deg
peri 85.13915996974858 6.201e-05 deg
M 98.05955679096022 3.1561e-05 deg
tp 2458423.974369370521
(2018-Nov-01.47436937)
0.00018291 TDB
period 2116.562972735624
5.79
2.6862e-05
7.354e-08
d
yr
n .1700870725970915 2.1586e-09 deg/d
Q 3.596608026740495 3.0431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      7098 days (19.43 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:53:07  

Additional Information
 Earth MOID = 1.87802 au 
 Jupiter MOID = 1.53576 au 
 T_jup = 3.171 
[ 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 15.0   n/a MPO469550  

146229 (2000 WM84)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2000 WM84 = 2002 CJ218 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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