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305573 (2008 XJ3)
Classification: Main-belt Asteroid          SPK-ID: 2305573
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0459824848096114 6.2518e-08  
a 2.61875834289022 2.8916e-08 au
q 2.498341327168228 1.5945e-07 au
i 26.70663645869378 5.3952e-06 deg
node 247.1785235585293 1.3851e-05 deg
peri 298.8362265731052 6.8814e-05 deg
M 152.4587739214254 7.2145e-05 deg
tp 2458344.971640677338
(2018-Aug-14.47164068)
0.00030709 TDB
period 1547.895232830507
4.24
2.5638e-05
7.019e-08
d
yr
n .232573879914145 3.8521e-09 deg/d
Q 2.739175358612213 3.0246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      6713 days (18.38 yr)  
   first obs. used      2002-06-10  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:11:30  

Additional Information
 Earth MOID = 1.53276 au 
 Jupiter MOID = 2.35657 au 
 T_jup = 3.253 
[ 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 16.0   n/a MPO494622  
diameter diameter 3.648 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305573 (2008 XJ3)          Discovered 2008-Dec-06 by BATTeRS at Bisei SG Center
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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