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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457357.5 (2015-Dec-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116138337818995 4.0292e-08  
q 2.8524380107701 1.2889e-07 au
tp 2456306.701147655956
(2013-Jan-14.20114766)
0.00017335 TDB
node 24.38320007327002 5.3025e-05 deg
peri 85.31290344163163 6.1815e-05 deg
i 4.946822739346421 6.7296e-06 deg
  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
 Jupiter MOID = 1.53576 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.623482385162975E-15 -5.102914342227766E-15 -1.50016572854247E-13 1.951264397988862E-18 -1.36968235485717E-14 -1.868944848649851E-15
q -5.102914342227766E-15 1.66121990548849E-14 1.342965964204008E-12 -1.902279903544356E-15 2.562540795450638E-13 6.567301147675817E-15
tp -1.50016572854247E-13 1.342965964204008E-12 3.00489290353793E-8 -8.957952984663034E-13 5.510865172250989E-9 3.509332973663486E-13
node 1.951264397988862E-18 -1.902279903544356E-15 -8.957952984663034E-13 2.811682223211224E-9 -2.801403672192912E-9 -6.721075592998502E-12
peri -1.36968235485717E-14 2.562540795450638E-13 5.510865172250989E-9 -2.801403672192912E-9 3.821072462515015E-9 6.867120507220837E-12
i -1.868944848649851E-15 6.567301147675817E-15 3.509332973663486E-13 -6.721075592998502E-12 6.867120507220837E-12 4.528772729982812E-11

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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