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129126 (2004 XJ165)
Classification: Main-belt Asteroid          SPK-ID: 2129126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .006395314323842772 4.2984e-08  
a 2.94917929853504 2.5909e-08 au
q 2.930318369923538 1.3165e-07 au
i 10.86168373419372 4.8776e-06 deg
node 261.4828751476468 2.5444e-05 deg
peri 294.9802948387573 0.0004091 deg
M 246.5246416102851 0.00041004 deg
tp 2459583.608341686125
(2022-Jan-04.10834169)
0.0021093 TDB
period 1849.908261898305
5.06
2.4378e-05
6.674e-08
d
yr
n .1946042446616146 2.5645e-09 deg/d
Q 2.968040227146542 2.6075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      6880 days (18.84 yr)  
   first obs. used      2001-03-19  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:03:01  

Additional Information
 Earth MOID = 1.92486 au 
 Jupiter MOID = 2.08551 au 
 T_jup = 3.243 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO502830  
diameter diameter 4.713 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129126 (2004 XJ165)          Discovered 2004-Dec-02 by NEAT at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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