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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115120641494393 5.6885e-08  
a 3.227034236877254 3.0878e-08 au
q 2.855535985403576 1.9174e-07 au
i 4.946250592936739 6.824e-06 deg
node 24.36747104861588 6.5627e-05 deg
peri 85.21551580901688 7.5683e-05 deg
M 29.93225876954194 3.4209e-05 deg
tp 2458424.448075552178
(2018-Nov-01.94807555)
0.00020098 TDB
period 2117.404279081934
5.80
3.039e-05
8.32e-08
d
yr
n .1700194920528304 2.4402e-09 deg/d
Q 3.598532488350933 3.4432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      6709 days (18.37 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:34:43  

Additional Information
 Earth MOID = 1.87803 au 
 Jupiter MOID = 1.53519 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456873.5 (2014-Aug-04.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165032268593954 5.6834e-08  
q 2.849925468953553 1.9136e-07 au
tp 2456306.256695822449
(2013-Jan-13.75669582)
0.00019783 TDB
node 24.39671590162909 6.5616e-05 deg
peri 85.13272241645232 7.5453e-05 deg
i 4.947830822913433 6.8254e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      6709 days (18.37 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:34:43  

Additional Information
 Jupiter MOID = 1.53519 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.230052652742844E-15 -1.077228726676398E-14 3.696032860606219E-12 5.936457692092019E-15 7.773574749098179E-13 -4.104105898027583E-15
q -1.077228726676398E-14 3.662036248933969E-14 -1.225559295739681E-11 -2.350648708234265E-14 -2.53985912400191E-12 1.456637642599161E-14
tp 3.696032860606219E-12 -1.225559295739681E-11 3.913840131873344E-8 1.164052374315178E-11 7.392737506637901E-9 -4.67225285748346E-12
node 5.936457692092019E-15 -2.350648708234265E-14 1.164052374315178E-11 4.305417791537732E-9 -4.287059329496507E-9 -4.888118205332815E-11
peri 7.773574749098179E-13 -2.53985912400191E-12 7.392737506637901E-9 -4.287059329496507E-9 5.693162775902566E-9 4.782854418975076E-11
i -4.104105898027583E-15 1.456637642599161E-14 -4.67225285748346E-12 -4.888118205332815E-11 4.782854418975076E-11 4.658601225180198E-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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