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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04598251538822908 6.3671e-08  
a 2.618758379373416 4.0886e-08 au
q 2.498341281895824 1.5968e-07 au
i 26.70663088320056 9.2245e-06 deg
node 247.1785086989986 1.6209e-05 deg
peri 298.8361133674572 0.00011231 deg
M 152.4588920157228 0.00010963 deg
tp 2458344.971119207489
(2018-Aug-14.47111921)
0.0004776 TDB
period 1547.895265177229
4.24
3.625e-05
9.925e-08
d
yr
n .2325738750539954 5.4467e-09 deg/d
Q 2.739175476851008 4.2766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6253 days (17.12 yr)  
   first obs. used      2002-06-10  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:52  

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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